Home / 3,747.76-5,610.30-3,011.20

Finding the Fourth Proportional to 3,747.76, 5,610.30 and 3,011.20

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Solution

The fourth proportional to 3,747.76, 5,610.30 and 3,011.20 is: 4,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.76 : 5,610.30 = 3,011.20 : x
  2. Step 2: Convert to fraction form
    3,747.76/5,610.30 = 3,011.20/x
  3. Step 3: Cross multiply
    3,747.76x = 5,610.30 × 3,011.20
  4. Step 4: Simplify right side
    3,747.76x = 16,893,735.36
  5. Step 5: Solve for x
    x = 16,893,735.36/3,747.76
  6. Step 6: Final answer
    x = 4,507.69

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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.