Home / 1,964.38-2,711.10-1,125.34

Finding the Fourth Proportional to 1,964.38, 2,711.10 and 1,125.34

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Solution

The fourth proportional to 1,964.38, 2,711.10 and 1,125.34 is: 1,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.38 : 2,711.10 = 1,125.34 : x
  2. Step 2: Convert to fraction form
    1,964.38/2,711.10 = 1,125.34/x
  3. Step 3: Cross multiply
    1,964.38x = 2,711.10 × 1,125.34
  4. Step 4: Simplify right side
    1,964.38x = 3,050,909.27
  5. Step 5: Solve for x
    x = 3,050,909.27/1,964.38
  6. Step 6: Final answer
    x = 1,553.12

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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.