Home / 3,644.20-5,033.64-3,057.76

Finding the Fourth Proportional to 3,644.20, 5,033.64 and 3,057.76

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Solution

The fourth proportional to 3,644.20, 5,033.64 and 3,057.76 is: 4,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.20 : 5,033.64 = 3,057.76 : x
  2. Step 2: Convert to fraction form
    3,644.20/5,033.64 = 3,057.76/x
  3. Step 3: Cross multiply
    3,644.20x = 5,033.64 × 3,057.76
  4. Step 4: Simplify right side
    3,644.20x = 15,391,663.05
  5. Step 5: Solve for x
    x = 15,391,663.05/3,644.20
  6. Step 6: Final answer
    x = 4,223.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.