Home / 1,565.14-2,346.07-627.72

Finding the Fourth Proportional to 1,565.14, 2,346.07 and 627.72

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Solution

The fourth proportional to 1,565.14, 2,346.07 and 627.72 is: 940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.14 : 2,346.07 = 627.72 : x
  2. Step 2: Convert to fraction form
    1,565.14/2,346.07 = 627.72/x
  3. Step 3: Cross multiply
    1,565.14x = 2,346.07 × 627.72
  4. Step 4: Simplify right side
    1,565.14x = 1,472,660.19
  5. Step 5: Solve for x
    x = 1,472,660.19/1,565.14
  6. Step 6: Final answer
    x = 940.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.