Home / 3,116.29-4,675.11-925.18

Finding the Fourth Proportional to 3,116.29, 4,675.11 and 925.18

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Solution

The fourth proportional to 3,116.29, 4,675.11 and 925.18 is: 1,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.29 : 4,675.11 = 925.18 : x
  2. Step 2: Convert to fraction form
    3,116.29/4,675.11 = 925.18/x
  3. Step 3: Cross multiply
    3,116.29x = 4,675.11 × 925.18
  4. Step 4: Simplify right side
    3,116.29x = 4,325,318.27
  5. Step 5: Solve for x
    x = 4,325,318.27/3,116.29
  6. Step 6: Final answer
    x = 1,387.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.