Home / 3,631.01-5,446.29-1,656.78

Finding the Fourth Proportional to 3,631.01, 5,446.29 and 1,656.78

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Solution

The fourth proportional to 3,631.01, 5,446.29 and 1,656.78 is: 2,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.01 : 5,446.29 = 1,656.78 : x
  2. Step 2: Convert to fraction form
    3,631.01/5,446.29 = 1,656.78/x
  3. Step 3: Cross multiply
    3,631.01x = 5,446.29 × 1,656.78
  4. Step 4: Simplify right side
    3,631.01x = 9,023,304.35
  5. Step 5: Solve for x
    x = 9,023,304.35/3,631.01
  6. Step 6: Final answer
    x = 2,485.07

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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.