Home / 3,278.43-4,524.36-2,101.71

Finding the Fourth Proportional to 3,278.43, 4,524.36 and 2,101.71

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Solution

The fourth proportional to 3,278.43, 4,524.36 and 2,101.71 is: 2,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.43 : 4,524.36 = 2,101.71 : x
  2. Step 2: Convert to fraction form
    3,278.43/4,524.36 = 2,101.71/x
  3. Step 3: Cross multiply
    3,278.43x = 4,524.36 × 2,101.71
  4. Step 4: Simplify right side
    3,278.43x = 9,508,892.66
  5. Step 5: Solve for x
    x = 9,508,892.66/3,278.43
  6. Step 6: Final answer
    x = 2,900.44

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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.