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Finding the Fourth Proportional to 3,335.88, 4,990.08 and 2,744.28

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Solution

The fourth proportional to 3,335.88, 4,990.08 and 2,744.28 is: 4,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.88 : 4,990.08 = 2,744.28 : x
  2. Step 2: Convert to fraction form
    3,335.88/4,990.08 = 2,744.28/x
  3. Step 3: Cross multiply
    3,335.88x = 4,990.08 × 2,744.28
  4. Step 4: Simplify right side
    3,335.88x = 13,694,176.74
  5. Step 5: Solve for x
    x = 13,694,176.74/3,335.88
  6. Step 6: Final answer
    x = 4,105.12

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1.5x scale

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.