Home / 3,370.28-5,054.52-1,422.04

Finding the Fourth Proportional to 3,370.28, 5,054.52 and 1,422.04

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Solution

The fourth proportional to 3,370.28, 5,054.52 and 1,422.04 is: 2,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.28 : 5,054.52 = 1,422.04 : x
  2. Step 2: Convert to fraction form
    3,370.28/5,054.52 = 1,422.04/x
  3. Step 3: Cross multiply
    3,370.28x = 5,054.52 × 1,422.04
  4. Step 4: Simplify right side
    3,370.28x = 7,187,729.62
  5. Step 5: Solve for x
    x = 7,187,729.62/3,370.28
  6. Step 6: Final answer
    x = 2,132.68

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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.