Home / 3,631.30-5,445.75-1,165.53

Finding the Fourth Proportional to 3,631.30, 5,445.75 and 1,165.53

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Solution

The fourth proportional to 3,631.30, 5,445.75 and 1,165.53 is: 1,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.30 : 5,445.75 = 1,165.53 : x
  2. Step 2: Convert to fraction form
    3,631.30/5,445.75 = 1,165.53/x
  3. Step 3: Cross multiply
    3,631.30x = 5,445.75 × 1,165.53
  4. Step 4: Simplify right side
    3,631.30x = 6,347,185.00
  5. Step 5: Solve for x
    x = 6,347,185.00/3,631.30
  6. Step 6: Final answer
    x = 1,747.91

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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.