Home / 3,616.85-4,988.03-2,272.61

Finding the Fourth Proportional to 3,616.85, 4,988.03 and 2,272.61

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Solution

The fourth proportional to 3,616.85, 4,988.03 and 2,272.61 is: 3,134.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.85 : 4,988.03 = 2,272.61 : x
  2. Step 2: Convert to fraction form
    3,616.85/4,988.03 = 2,272.61/x
  3. Step 3: Cross multiply
    3,616.85x = 4,988.03 × 2,272.61
  4. Step 4: Simplify right side
    3,616.85x = 11,335,832.69
  5. Step 5: Solve for x
    x = 11,335,832.69/3,616.85
  6. Step 6: Final answer
    x = 3,134.17

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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.