Home / 3,420.50-5,129.12-2,034.02

Finding the Fourth Proportional to 3,420.50, 5,129.12 and 2,034.02

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Solution

The fourth proportional to 3,420.50, 5,129.12 and 2,034.02 is: 3,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.50 : 5,129.12 = 2,034.02 : x
  2. Step 2: Convert to fraction form
    3,420.50/5,129.12 = 2,034.02/x
  3. Step 3: Cross multiply
    3,420.50x = 5,129.12 × 2,034.02
  4. Step 4: Simplify right side
    3,420.50x = 10,432,732.66
  5. Step 5: Solve for x
    x = 10,432,732.66/3,420.50
  6. Step 6: Final answer
    x = 3,050.06

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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.