Home / 2,613.28-3,605.70-1,565.14

Finding the Fourth Proportional to 2,613.28, 3,605.70 and 1,565.14

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Solution

The fourth proportional to 2,613.28, 3,605.70 and 1,565.14 is: 2,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.28 : 3,605.70 = 1,565.14 : x
  2. Step 2: Convert to fraction form
    2,613.28/3,605.70 = 1,565.14/x
  3. Step 3: Cross multiply
    2,613.28x = 3,605.70 × 1,565.14
  4. Step 4: Simplify right side
    2,613.28x = 5,643,425.30
  5. Step 5: Solve for x
    x = 5,643,425.30/2,613.28
  6. Step 6: Final answer
    x = 2,159.52

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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.