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Finding the Fourth Proportional to 1,711.50, 2,363.14 and 1,049.26

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Solution

The fourth proportional to 1,711.50, 2,363.14 and 1,049.26 is: 1,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.50 : 2,363.14 = 1,049.26 : x
  2. Step 2: Convert to fraction form
    1,711.50/2,363.14 = 1,049.26/x
  3. Step 3: Cross multiply
    1,711.50x = 2,363.14 × 1,049.26
  4. Step 4: Simplify right side
    1,711.50x = 2,479,548.28
  5. Step 5: Solve for x
    x = 2,479,548.28/1,711.50
  6. Step 6: Final answer
    x = 1,448.76

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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.