Home / 3,756.48-5,635.92-1,808.88

Finding the Fourth Proportional to 3,756.48, 5,635.92 and 1,808.88

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Solution

The fourth proportional to 3,756.48, 5,635.92 and 1,808.88 is: 2,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.48 : 5,635.92 = 1,808.88 : x
  2. Step 2: Convert to fraction form
    3,756.48/5,635.92 = 1,808.88/x
  3. Step 3: Cross multiply
    3,756.48x = 5,635.92 × 1,808.88
  4. Step 4: Simplify right side
    3,756.48x = 10,194,702.97
  5. Step 5: Solve for x
    x = 10,194,702.97/3,756.48
  6. Step 6: Final answer
    x = 2,713.90

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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.