Home / 3,848.10-5,772.15-1,251.30

Finding the Fourth Proportional to 3,848.10, 5,772.15 and 1,251.30

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Solution

The fourth proportional to 3,848.10, 5,772.15 and 1,251.30 is: 1,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.10 : 5,772.15 = 1,251.30 : x
  2. Step 2: Convert to fraction form
    3,848.10/5,772.15 = 1,251.30/x
  3. Step 3: Cross multiply
    3,848.10x = 5,772.15 × 1,251.30
  4. Step 4: Simplify right side
    3,848.10x = 7,222,691.30
  5. Step 5: Solve for x
    x = 7,222,691.30/3,848.10
  6. Step 6: Final answer
    x = 1,876.95

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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.