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Finding the Fourth Proportional to 3,648.01, 5,472.20 and 1,775.62

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Solution

The fourth proportional to 3,648.01, 5,472.20 and 1,775.62 is: 2,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.01 : 5,472.20 = 1,775.62 : x
  2. Step 2: Convert to fraction form
    3,648.01/5,472.20 = 1,775.62/x
  3. Step 3: Cross multiply
    3,648.01x = 5,472.20 × 1,775.62
  4. Step 4: Simplify right side
    3,648.01x = 9,716,552.38
  5. Step 5: Solve for x
    x = 9,716,552.38/3,648.01
  6. Step 6: Final answer
    x = 2,663.52

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1.5x scale

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.