Home / 2,280.75-3,146.54-1,441.19

Finding the Fourth Proportional to 2,280.75, 3,146.54 and 1,441.19

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Solution

The fourth proportional to 2,280.75, 3,146.54 and 1,441.19 is: 1,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.75 : 3,146.54 = 1,441.19 : x
  2. Step 2: Convert to fraction form
    2,280.75/3,146.54 = 1,441.19/x
  3. Step 3: Cross multiply
    2,280.75x = 3,146.54 × 1,441.19
  4. Step 4: Simplify right side
    2,280.75x = 4,534,739.04
  5. Step 5: Solve for x
    x = 4,534,739.04/2,280.75
  6. Step 6: Final answer
    x = 1,988.27

Related Problems

Find fourth proportional to 1,140.38, 1,573.27 and 720.59
Half scale
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Double scale
Find fourth proportional to 2,281.75, 3,147.91 and 1,442.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.