Home / 3,444.38-4,755-2,186.72

Finding the Fourth Proportional to 3,444.38, 4,755 and 2,186.72

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Solution

The fourth proportional to 3,444.38, 4,755 and 2,186.72 is: 3,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.38 : 4,755 = 2,186.72 : x
  2. Step 2: Convert to fraction form
    3,444.38/4,755 = 2,186.72/x
  3. Step 3: Cross multiply
    3,444.38x = 4,755 × 2,186.72
  4. Step 4: Simplify right side
    3,444.38x = 10,397,853.60
  5. Step 5: Solve for x
    x = 10,397,853.60/3,444.38
  6. Step 6: Final answer
    x = 3,018.79

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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.