Home / 3,380.25-5,070.61-1,040.11

Finding the Fourth Proportional to 3,380.25, 5,070.61 and 1,040.11

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Solution

The fourth proportional to 3,380.25, 5,070.61 and 1,040.11 is: 1,560.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.25 : 5,070.61 = 1,040.11 : x
  2. Step 2: Convert to fraction form
    3,380.25/5,070.61 = 1,040.11/x
  3. Step 3: Cross multiply
    3,380.25x = 5,070.61 × 1,040.11
  4. Step 4: Simplify right side
    3,380.25x = 5,273,986.97
  5. Step 5: Solve for x
    x = 5,273,986.97/3,380.25
  6. Step 6: Final answer
    x = 1,560.24

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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.