Home / 2,422.26-3,343.32-1,581.53

Finding the Fourth Proportional to 2,422.26, 3,343.32 and 1,581.53

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Solution

The fourth proportional to 2,422.26, 3,343.32 and 1,581.53 is: 2,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.26 : 3,343.32 = 1,581.53 : x
  2. Step 2: Convert to fraction form
    2,422.26/3,343.32 = 1,581.53/x
  3. Step 3: Cross multiply
    2,422.26x = 3,343.32 × 1,581.53
  4. Step 4: Simplify right side
    2,422.26x = 5,287,544.16
  5. Step 5: Solve for x
    x = 5,287,544.16/2,422.26
  6. Step 6: Final answer
    x = 2,182.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.