Home / 3,278.89-4,524.68-1,862.20

Finding the Fourth Proportional to 3,278.89, 4,524.68 and 1,862.20

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Solution

The fourth proportional to 3,278.89, 4,524.68 and 1,862.20 is: 2,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.89 : 4,524.68 = 1,862.20 : x
  2. Step 2: Convert to fraction form
    3,278.89/4,524.68 = 1,862.20/x
  3. Step 3: Cross multiply
    3,278.89x = 4,524.68 × 1,862.20
  4. Step 4: Simplify right side
    3,278.89x = 8,425,859.10
  5. Step 5: Solve for x
    x = 8,425,859.10/3,278.89
  6. Step 6: Final answer
    x = 2,569.73

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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.