Home / 1,718.11-2,370.99-932.15

Finding the Fourth Proportional to 1,718.11, 2,370.99 and 932.15

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Solution

The fourth proportional to 1,718.11, 2,370.99 and 932.15 is: 1,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.11 : 2,370.99 = 932.15 : x
  2. Step 2: Convert to fraction form
    1,718.11/2,370.99 = 932.15/x
  3. Step 3: Cross multiply
    1,718.11x = 2,370.99 × 932.15
  4. Step 4: Simplify right side
    1,718.11x = 2,210,124.26
  5. Step 5: Solve for x
    x = 2,210,124.26/1,718.11
  6. Step 6: Final answer
    x = 1,286.37

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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.