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Finding the Fourth Proportional to 3,331.86, 5,017.02 and 2,752.44

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Solution

The fourth proportional to 3,331.86, 5,017.02 and 2,752.44 is: 4,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.86 : 5,017.02 = 2,752.44 : x
  2. Step 2: Convert to fraction form
    3,331.86/5,017.02 = 2,752.44/x
  3. Step 3: Cross multiply
    3,331.86x = 5,017.02 × 2,752.44
  4. Step 4: Simplify right side
    3,331.86x = 13,809,046.53
  5. Step 5: Solve for x
    x = 13,809,046.53/3,331.86
  6. Step 6: Final answer
    x = 4,144.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.