Home / 3,850.23-5,314.68-2,278.32

Finding the Fourth Proportional to 3,850.23, 5,314.68 and 2,278.32

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Solution

The fourth proportional to 3,850.23, 5,314.68 and 2,278.32 is: 3,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.23 : 5,314.68 = 2,278.32 : x
  2. Step 2: Convert to fraction form
    3,850.23/5,314.68 = 2,278.32/x
  3. Step 3: Cross multiply
    3,850.23x = 5,314.68 × 2,278.32
  4. Step 4: Simplify right side
    3,850.23x = 12,108,503.77
  5. Step 5: Solve for x
    x = 12,108,503.77/3,850.23
  6. Step 6: Final answer
    x = 3,144.88

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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.