Home / 3,755.16-5,639.22-3,178.44

Finding the Fourth Proportional to 3,755.16, 5,639.22 and 3,178.44

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Solution

The fourth proportional to 3,755.16, 5,639.22 and 3,178.44 is: 4,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.16 : 5,639.22 = 3,178.44 : x
  2. Step 2: Convert to fraction form
    3,755.16/5,639.22 = 3,178.44/x
  3. Step 3: Cross multiply
    3,755.16x = 5,639.22 × 3,178.44
  4. Step 4: Simplify right side
    3,755.16x = 17,923,922.42
  5. Step 5: Solve for x
    x = 17,923,922.42/3,755.16
  6. Step 6: Final answer
    x = 4,773.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.