Home / 3,572.88-5,359.85-1,107.90

Finding the Fourth Proportional to 3,572.88, 5,359.85 and 1,107.90

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Solution

The fourth proportional to 3,572.88, 5,359.85 and 1,107.90 is: 1,662.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.88 : 5,359.85 = 1,107.90 : x
  2. Step 2: Convert to fraction form
    3,572.88/5,359.85 = 1,107.90/x
  3. Step 3: Cross multiply
    3,572.88x = 5,359.85 × 1,107.90
  4. Step 4: Simplify right side
    3,572.88x = 5,938,188.39
  5. Step 5: Solve for x
    x = 5,938,188.39/3,572.88
  6. Step 6: Final answer
    x = 1,662.02

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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.