Home / 3,981.15-5,493.38-2,302.24

Finding the Fourth Proportional to 3,981.15, 5,493.38 and 2,302.24

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Solution

The fourth proportional to 3,981.15, 5,493.38 and 2,302.24 is: 3,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.15 : 5,493.38 = 2,302.24 : x
  2. Step 2: Convert to fraction form
    3,981.15/5,493.38 = 2,302.24/x
  3. Step 3: Cross multiply
    3,981.15x = 5,493.38 × 2,302.24
  4. Step 4: Simplify right side
    3,981.15x = 12,647,079.17
  5. Step 5: Solve for x
    x = 12,647,079.17/3,981.15
  6. Step 6: Final answer
    x = 3,176.74

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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.