Home / 3,863.16-5,331.72-2,269.74

Finding the Fourth Proportional to 3,863.16, 5,331.72 and 2,269.74

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Solution

The fourth proportional to 3,863.16, 5,331.72 and 2,269.74 is: 3,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.16 : 5,331.72 = 2,269.74 : x
  2. Step 2: Convert to fraction form
    3,863.16/5,331.72 = 2,269.74/x
  3. Step 3: Cross multiply
    3,863.16x = 5,331.72 × 2,269.74
  4. Step 4: Simplify right side
    3,863.16x = 12,101,618.15
  5. Step 5: Solve for x
    x = 12,101,618.15/3,863.16
  6. Step 6: Final answer
    x = 3,132.57

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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.