Home / 3,440.16-4,747.60-2,261.92

Finding the Fourth Proportional to 3,440.16, 4,747.60 and 2,261.92

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Solution

The fourth proportional to 3,440.16, 4,747.60 and 2,261.92 is: 3,121.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.16 : 4,747.60 = 2,261.92 : x
  2. Step 2: Convert to fraction form
    3,440.16/4,747.60 = 2,261.92/x
  3. Step 3: Cross multiply
    3,440.16x = 4,747.60 × 2,261.92
  4. Step 4: Simplify right side
    3,440.16x = 10,738,691.39
  5. Step 5: Solve for x
    x = 10,738,691.39/3,440.16
  6. Step 6: Final answer
    x = 3,121.57

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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.