Home / 3,422.61-5,132.01-2,189.25

Finding the Fourth Proportional to 3,422.61, 5,132.01 and 2,189.25

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Solution

The fourth proportional to 3,422.61, 5,132.01 and 2,189.25 is: 3,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.61 : 5,132.01 = 2,189.25 : x
  2. Step 2: Convert to fraction form
    3,422.61/5,132.01 = 2,189.25/x
  3. Step 3: Cross multiply
    3,422.61x = 5,132.01 × 2,189.25
  4. Step 4: Simplify right side
    3,422.61x = 11,235,252.89
  5. Step 5: Solve for x
    x = 11,235,252.89/3,422.61
  6. Step 6: Final answer
    x = 3,282.66

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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.