Home / 3,442.25-5,165.42-1,251.15

Finding the Fourth Proportional to 3,442.25, 5,165.42 and 1,251.15

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Solution

The fourth proportional to 3,442.25, 5,165.42 and 1,251.15 is: 1,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.25 : 5,165.42 = 1,251.15 : x
  2. Step 2: Convert to fraction form
    3,442.25/5,165.42 = 1,251.15/x
  3. Step 3: Cross multiply
    3,442.25x = 5,165.42 × 1,251.15
  4. Step 4: Simplify right side
    3,442.25x = 6,462,715.23
  5. Step 5: Solve for x
    x = 6,462,715.23/3,442.25
  6. Step 6: Final answer
    x = 1,877.47

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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.