Home / 2,259.87-3,117.59-1,421.04

Finding the Fourth Proportional to 2,259.87, 3,117.59 and 1,421.04

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Solution

The fourth proportional to 2,259.87, 3,117.59 and 1,421.04 is: 1,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.87 : 3,117.59 = 1,421.04 : x
  2. Step 2: Convert to fraction form
    2,259.87/3,117.59 = 1,421.04/x
  3. Step 3: Cross multiply
    2,259.87x = 3,117.59 × 1,421.04
  4. Step 4: Simplify right side
    2,259.87x = 4,430,230.01
  5. Step 5: Solve for x
    x = 4,430,230.01/2,259.87
  6. Step 6: Final answer
    x = 1,960.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,260.87, 3,118.97 and 1,422.04
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.