Home / 3,442.40-5,163.60-2,057.30

Finding the Fourth Proportional to 3,442.40, 5,163.60 and 2,057.30

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Solution

The fourth proportional to 3,442.40, 5,163.60 and 2,057.30 is: 3,085.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.40 : 5,163.60 = 2,057.30 : x
  2. Step 2: Convert to fraction form
    3,442.40/5,163.60 = 2,057.30/x
  3. Step 3: Cross multiply
    3,442.40x = 5,163.60 × 2,057.30
  4. Step 4: Simplify right side
    3,442.40x = 10,623,074.28
  5. Step 5: Solve for x
    x = 10,623,074.28/3,442.40
  6. Step 6: Final answer
    x = 3,085.95

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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.