Home / 3,549.80-4,891.52-2,748.29

Finding the Fourth Proportional to 3,549.80, 4,891.52 and 2,748.29

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Solution

The fourth proportional to 3,549.80, 4,891.52 and 2,748.29 is: 3,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.80 : 4,891.52 = 2,748.29 : x
  2. Step 2: Convert to fraction form
    3,549.80/4,891.52 = 2,748.29/x
  3. Step 3: Cross multiply
    3,549.80x = 4,891.52 × 2,748.29
  4. Step 4: Simplify right side
    3,549.80x = 13,443,297.91
  5. Step 5: Solve for x
    x = 13,443,297.91/3,549.80
  6. Step 6: Final answer
    x = 3,787.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.