Home / 2,711.48-4,068.56-1,251.64

Finding the Fourth Proportional to 2,711.48, 4,068.56 and 1,251.64

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Solution

The fourth proportional to 2,711.48, 4,068.56 and 1,251.64 is: 1,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.48 : 4,068.56 = 1,251.64 : x
  2. Step 2: Convert to fraction form
    2,711.48/4,068.56 = 1,251.64/x
  3. Step 3: Cross multiply
    2,711.48x = 4,068.56 × 1,251.64
  4. Step 4: Simplify right side
    2,711.48x = 5,092,372.44
  5. Step 5: Solve for x
    x = 5,092,372.44/2,711.48
  6. Step 6: Final answer
    x = 1,878.08

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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.