Home / 1,718.25-2,371.17-932.31

Finding the Fourth Proportional to 1,718.25, 2,371.17 and 932.31

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Solution

The fourth proportional to 1,718.25, 2,371.17 and 932.31 is: 1,286.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.25 : 2,371.17 = 932.31 : x
  2. Step 2: Convert to fraction form
    1,718.25/2,371.17 = 932.31/x
  3. Step 3: Cross multiply
    1,718.25x = 2,371.17 × 932.31
  4. Step 4: Simplify right side
    1,718.25x = 2,210,669.00
  5. Step 5: Solve for x
    x = 2,210,669.00/1,718.25
  6. Step 6: Final answer
    x = 1,286.58

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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.