Home / 3,834.16-5,747.20-2,187.18

Finding the Fourth Proportional to 3,834.16, 5,747.20 and 2,187.18

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Solution

The fourth proportional to 3,834.16, 5,747.20 and 2,187.18 is: 3,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.16 : 5,747.20 = 2,187.18 : x
  2. Step 2: Convert to fraction form
    3,834.16/5,747.20 = 2,187.18/x
  3. Step 3: Cross multiply
    3,834.16x = 5,747.20 × 2,187.18
  4. Step 4: Simplify right side
    3,834.16x = 12,570,160.90
  5. Step 5: Solve for x
    x = 12,570,160.90/3,834.16
  6. Step 6: Final answer
    x = 3,278.47

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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.