Home / 3,442.20-5,163.14-1,102.10

Finding the Fourth Proportional to 3,442.20, 5,163.14 and 1,102.10

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Solution

The fourth proportional to 3,442.20, 5,163.14 and 1,102.10 is: 1,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.20 : 5,163.14 = 1,102.10 : x
  2. Step 2: Convert to fraction form
    3,442.20/5,163.14 = 1,102.10/x
  3. Step 3: Cross multiply
    3,442.20x = 5,163.14 × 1,102.10
  4. Step 4: Simplify right side
    3,442.20x = 5,690,296.59
  5. Step 5: Solve for x
    x = 5,690,296.59/3,442.20
  6. Step 6: Final answer
    x = 1,653.10

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1.5x scale

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.