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Finding the Fourth Proportional to 2,555.55, 3,833.32 and 800.52

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Solution

The fourth proportional to 2,555.55, 3,833.32 and 800.52 is: 1,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.55 : 3,833.32 = 800.52 : x
  2. Step 2: Convert to fraction form
    2,555.55/3,833.32 = 800.52/x
  3. Step 3: Cross multiply
    2,555.55x = 3,833.32 × 800.52
  4. Step 4: Simplify right side
    2,555.55x = 3,068,649.33
  5. Step 5: Solve for x
    x = 3,068,649.33/2,555.55
  6. Step 6: Final answer
    x = 1,200.78

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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.