Home / 1,562.24-2,155.56-932.60

Finding the Fourth Proportional to 1,562.24, 2,155.56 and 932.60

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Solution

The fourth proportional to 1,562.24, 2,155.56 and 932.60 is: 1,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.24 : 2,155.56 = 932.60 : x
  2. Step 2: Convert to fraction form
    1,562.24/2,155.56 = 932.60/x
  3. Step 3: Cross multiply
    1,562.24x = 2,155.56 × 932.60
  4. Step 4: Simplify right side
    1,562.24x = 2,010,275.26
  5. Step 5: Solve for x
    x = 2,010,275.26/1,562.24
  6. Step 6: Final answer
    x = 1,286.79

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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.