Home / 3,127.35-4,691.25-2,969.70

Finding the Fourth Proportional to 3,127.35, 4,691.25 and 2,969.70

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Solution

The fourth proportional to 3,127.35, 4,691.25 and 2,969.70 is: 4,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.35 : 4,691.25 = 2,969.70 : x
  2. Step 2: Convert to fraction form
    3,127.35/4,691.25 = 2,969.70/x
  3. Step 3: Cross multiply
    3,127.35x = 4,691.25 × 2,969.70
  4. Step 4: Simplify right side
    3,127.35x = 13,931,605.13
  5. Step 5: Solve for x
    x = 13,931,605.13/3,127.35
  6. Step 6: Final answer
    x = 4,454.76

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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.