Home / 4,320.71-5,962.43-2,642.19

Finding the Fourth Proportional to 4,320.71, 5,962.43 and 2,642.19

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Solution

The fourth proportional to 4,320.71, 5,962.43 and 2,642.19 is: 3,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.71 : 5,962.43 = 2,642.19 : x
  2. Step 2: Convert to fraction form
    4,320.71/5,962.43 = 2,642.19/x
  3. Step 3: Cross multiply
    4,320.71x = 5,962.43 × 2,642.19
  4. Step 4: Simplify right side
    4,320.71x = 15,753,859.71
  5. Step 5: Solve for x
    x = 15,753,859.71/4,320.71
  6. Step 6: Final answer
    x = 3,646.13

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Half scale
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Double scale
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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.