Home / 3,600.80-5,401.32-1,003.52

Finding the Fourth Proportional to 3,600.80, 5,401.32 and 1,003.52

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Solution

The fourth proportional to 3,600.80, 5,401.32 and 1,003.52 is: 1,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.80 : 5,401.32 = 1,003.52 : x
  2. Step 2: Convert to fraction form
    3,600.80/5,401.32 = 1,003.52/x
  3. Step 3: Cross multiply
    3,600.80x = 5,401.32 × 1,003.52
  4. Step 4: Simplify right side
    3,600.80x = 5,420,332.65
  5. Step 5: Solve for x
    x = 5,420,332.65/3,600.80
  6. Step 6: Final answer
    x = 1,505.31

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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.