Home / 1,718.66-2,371.75-932.71

Finding the Fourth Proportional to 1,718.66, 2,371.75 and 932.71

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Solution

The fourth proportional to 1,718.66, 2,371.75 and 932.71 is: 1,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.66 : 2,371.75 = 932.71 : x
  2. Step 2: Convert to fraction form
    1,718.66/2,371.75 = 932.71/x
  3. Step 3: Cross multiply
    1,718.66x = 2,371.75 × 932.71
  4. Step 4: Simplify right side
    1,718.66x = 2,212,154.94
  5. Step 5: Solve for x
    x = 2,212,154.94/1,718.66
  6. Step 6: Final answer
    x = 1,287.14

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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.