Home / 3,422.81-5,132.92-2,258.90

Finding the Fourth Proportional to 3,422.81, 5,132.92 and 2,258.90

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Solution

The fourth proportional to 3,422.81, 5,132.92 and 2,258.90 is: 3,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.81 : 5,132.92 = 2,258.90 : x
  2. Step 2: Convert to fraction form
    3,422.81/5,132.92 = 2,258.90/x
  3. Step 3: Cross multiply
    3,422.81x = 5,132.92 × 2,258.90
  4. Step 4: Simplify right side
    3,422.81x = 11,594,774.03
  5. Step 5: Solve for x
    x = 11,594,774.03/3,422.81
  6. Step 6: Final answer
    x = 3,387.50

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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.