Home / 3,543.29-5,310.91-2,757.49

Finding the Fourth Proportional to 3,543.29, 5,310.91 and 2,757.49

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Solution

The fourth proportional to 3,543.29, 5,310.91 and 2,757.49 is: 4,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.29 : 5,310.91 = 2,757.49 : x
  2. Step 2: Convert to fraction form
    3,543.29/5,310.91 = 2,757.49/x
  3. Step 3: Cross multiply
    3,543.29x = 5,310.91 × 2,757.49
  4. Step 4: Simplify right side
    3,543.29x = 14,644,763.63
  5. Step 5: Solve for x
    x = 14,644,763.63/3,543.29
  6. Step 6: Final answer
    x = 4,133.10

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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.