Home / 3,631.80-5,446.98-1,656.89

Finding the Fourth Proportional to 3,631.80, 5,446.98 and 1,656.89

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Solution

The fourth proportional to 3,631.80, 5,446.98 and 1,656.89 is: 2,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.80 : 5,446.98 = 1,656.89 : x
  2. Step 2: Convert to fraction form
    3,631.80/5,446.98 = 1,656.89/x
  3. Step 3: Cross multiply
    3,631.80x = 5,446.98 × 1,656.89
  4. Step 4: Simplify right side
    3,631.80x = 9,025,046.69
  5. Step 5: Solve for x
    x = 9,025,046.69/3,631.80
  6. Step 6: Final answer
    x = 2,485.01

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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.