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Finding the Fourth Proportional to 3,644.52, 5,030.01 and 2,318.82

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Solution

The fourth proportional to 3,644.52, 5,030.01 and 2,318.82 is: 3,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.52 : 5,030.01 = 2,318.82 : x
  2. Step 2: Convert to fraction form
    3,644.52/5,030.01 = 2,318.82/x
  3. Step 3: Cross multiply
    3,644.52x = 5,030.01 × 2,318.82
  4. Step 4: Simplify right side
    3,644.52x = 11,663,687.79
  5. Step 5: Solve for x
    x = 11,663,687.79/3,644.52
  6. Step 6: Final answer
    x = 3,200.34

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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.