Home / 3,420.59-5,134.66-2,451.02

Finding the Fourth Proportional to 3,420.59, 5,134.66 and 2,451.02

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Solution

The fourth proportional to 3,420.59, 5,134.66 and 2,451.02 is: 3,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.59 : 5,134.66 = 2,451.02 : x
  2. Step 2: Convert to fraction form
    3,420.59/5,134.66 = 2,451.02/x
  3. Step 3: Cross multiply
    3,420.59x = 5,134.66 × 2,451.02
  4. Step 4: Simplify right side
    3,420.59x = 12,585,122.55
  5. Step 5: Solve for x
    x = 12,585,122.55/3,420.59
  6. Step 6: Final answer
    x = 3,679.23

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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.