Home / 3,157.76-4,360.92-2,499.42

Finding the Fourth Proportional to 3,157.76, 4,360.92 and 2,499.42

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Solution

The fourth proportional to 3,157.76, 4,360.92 and 2,499.42 is: 3,451.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.76 : 4,360.92 = 2,499.42 : x
  2. Step 2: Convert to fraction form
    3,157.76/4,360.92 = 2,499.42/x
  3. Step 3: Cross multiply
    3,157.76x = 4,360.92 × 2,499.42
  4. Step 4: Simplify right side
    3,157.76x = 10,899,770.67
  5. Step 5: Solve for x
    x = 10,899,770.67/3,157.76
  6. Step 6: Final answer
    x = 3,451.74

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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.