Home / 3,625.12-5,438.52-1,160.11

Finding the Fourth Proportional to 3,625.12, 5,438.52 and 1,160.11

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Solution

The fourth proportional to 3,625.12, 5,438.52 and 1,160.11 is: 1,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.12 : 5,438.52 = 1,160.11 : x
  2. Step 2: Convert to fraction form
    3,625.12/5,438.52 = 1,160.11/x
  3. Step 3: Cross multiply
    3,625.12x = 5,438.52 × 1,160.11
  4. Step 4: Simplify right side
    3,625.12x = 6,309,281.44
  5. Step 5: Solve for x
    x = 6,309,281.44/3,625.12
  6. Step 6: Final answer
    x = 1,740.43

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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.