Home / 3,617.28-4,988.16-2,375.68

Finding the Fourth Proportional to 3,617.28, 4,988.16 and 2,375.68

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Solution

The fourth proportional to 3,617.28, 4,988.16 and 2,375.68 is: 3,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.28 : 4,988.16 = 2,375.68 : x
  2. Step 2: Convert to fraction form
    3,617.28/4,988.16 = 2,375.68/x
  3. Step 3: Cross multiply
    3,617.28x = 4,988.16 × 2,375.68
  4. Step 4: Simplify right side
    3,617.28x = 11,850,271.95
  5. Step 5: Solve for x
    x = 11,850,271.95/3,617.28
  6. Step 6: Final answer
    x = 3,276.02

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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.