Home / 3,141.10-4,711.65-1,974.70

Finding the Fourth Proportional to 3,141.10, 4,711.65 and 1,974.70

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Solution

The fourth proportional to 3,141.10, 4,711.65 and 1,974.70 is: 2,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.10 : 4,711.65 = 1,974.70 : x
  2. Step 2: Convert to fraction form
    3,141.10/4,711.65 = 1,974.70/x
  3. Step 3: Cross multiply
    3,141.10x = 4,711.65 × 1,974.70
  4. Step 4: Simplify right side
    3,141.10x = 9,304,095.26
  5. Step 5: Solve for x
    x = 9,304,095.26/3,141.10
  6. Step 6: Final answer
    x = 2,962.05

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Similar ratio
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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.