Home / 1,718.29-2,371.25-932.34

Finding the Fourth Proportional to 1,718.29, 2,371.25 and 932.34

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Solution

The fourth proportional to 1,718.29, 2,371.25 and 932.34 is: 1,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.29 : 2,371.25 = 932.34 : x
  2. Step 2: Convert to fraction form
    1,718.29/2,371.25 = 932.34/x
  3. Step 3: Cross multiply
    1,718.29x = 2,371.25 × 932.34
  4. Step 4: Simplify right side
    1,718.29x = 2,210,811.23
  5. Step 5: Solve for x
    x = 2,210,811.23/1,718.29
  6. Step 6: Final answer
    x = 1,286.63

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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.