Home / 3,757.08-5,630.80-2,755.20

Finding the Fourth Proportional to 3,757.08, 5,630.80 and 2,755.20

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Solution

The fourth proportional to 3,757.08, 5,630.80 and 2,755.20 is: 4,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.08 : 5,630.80 = 2,755.20 : x
  2. Step 2: Convert to fraction form
    3,757.08/5,630.80 = 2,755.20/x
  3. Step 3: Cross multiply
    3,757.08x = 5,630.80 × 2,755.20
  4. Step 4: Simplify right side
    3,757.08x = 15,513,980.16
  5. Step 5: Solve for x
    x = 15,513,980.16/3,757.08
  6. Step 6: Final answer
    x = 4,129.27

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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.