Home / 3,543.12-5,314.62-1,234.56

Finding the Fourth Proportional to 3,543.12, 5,314.62 and 1,234.56

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Solution

The fourth proportional to 3,543.12, 5,314.62 and 1,234.56 is: 1,851.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.12 : 5,314.62 = 1,234.56 : x
  2. Step 2: Convert to fraction form
    3,543.12/5,314.62 = 1,234.56/x
  3. Step 3: Cross multiply
    3,543.12x = 5,314.62 × 1,234.56
  4. Step 4: Simplify right side
    3,543.12x = 6,561,217.27
  5. Step 5: Solve for x
    x = 6,561,217.27/3,543.12
  6. Step 6: Final answer
    x = 1,851.82

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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.