Home / 3,621.56-5,002.44-2,679.28

Finding the Fourth Proportional to 3,621.56, 5,002.44 and 2,679.28

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Solution

The fourth proportional to 3,621.56, 5,002.44 and 2,679.28 is: 3,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.56 : 5,002.44 = 2,679.28 : x
  2. Step 2: Convert to fraction form
    3,621.56/5,002.44 = 2,679.28/x
  3. Step 3: Cross multiply
    3,621.56x = 5,002.44 × 2,679.28
  4. Step 4: Simplify right side
    3,621.56x = 13,402,937.44
  5. Step 5: Solve for x
    x = 13,402,937.44/3,621.56
  6. Step 6: Final answer
    x = 3,700.87

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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.