Home / 2,074.67-2,863.11-1,190.75

Finding the Fourth Proportional to 2,074.67, 2,863.11 and 1,190.75

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Solution

The fourth proportional to 2,074.67, 2,863.11 and 1,190.75 is: 1,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.67 : 2,863.11 = 1,190.75 : x
  2. Step 2: Convert to fraction form
    2,074.67/2,863.11 = 1,190.75/x
  3. Step 3: Cross multiply
    2,074.67x = 2,863.11 × 1,190.75
  4. Step 4: Simplify right side
    2,074.67x = 3,409,248.23
  5. Step 5: Solve for x
    x = 3,409,248.23/2,074.67
  6. Step 6: Final answer
    x = 1,643.27

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,075.67, 2,864.49 and 1,191.75
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.