Home / 1,233.60-1,850.46-540.12

Finding the Fourth Proportional to 1,233.60, 1,850.46 and 540.12

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Solution

The fourth proportional to 1,233.60, 1,850.46 and 540.12 is: 810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.60 : 1,850.46 = 540.12 : x
  2. Step 2: Convert to fraction form
    1,233.60/1,850.46 = 540.12/x
  3. Step 3: Cross multiply
    1,233.60x = 1,850.46 × 540.12
  4. Step 4: Simplify right side
    1,233.60x = 999,470.46
  5. Step 5: Solve for x
    x = 999,470.46/1,233.60
  6. Step 6: Final answer
    x = 810.21

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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.