Home / 1,718.60-2,371.64-932.66

Finding the Fourth Proportional to 1,718.60, 2,371.64 and 932.66

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Solution

The fourth proportional to 1,718.60, 2,371.64 and 932.66 is: 1,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.60 : 2,371.64 = 932.66 : x
  2. Step 2: Convert to fraction form
    1,718.60/2,371.64 = 932.66/x
  3. Step 3: Cross multiply
    1,718.60x = 2,371.64 × 932.66
  4. Step 4: Simplify right side
    1,718.60x = 2,211,933.76
  5. Step 5: Solve for x
    x = 2,211,933.76/1,718.60
  6. Step 6: Final answer
    x = 1,287.06

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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.