Home / 3,725.13-5,579.18-1,778.70

Finding the Fourth Proportional to 3,725.13, 5,579.18 and 1,778.70

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Solution

The fourth proportional to 3,725.13, 5,579.18 and 1,778.70 is: 2,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.13 : 5,579.18 = 1,778.70 : x
  2. Step 2: Convert to fraction form
    3,725.13/5,579.18 = 1,778.70/x
  3. Step 3: Cross multiply
    3,725.13x = 5,579.18 × 1,778.70
  4. Step 4: Simplify right side
    3,725.13x = 9,923,687.47
  5. Step 5: Solve for x
    x = 9,923,687.47/3,725.13
  6. Step 6: Final answer
    x = 2,663.98

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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.