Home / 2,321.47-3,481.28-1,348.26

Finding the Fourth Proportional to 2,321.47, 3,481.28 and 1,348.26

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Solution

The fourth proportional to 2,321.47, 3,481.28 and 1,348.26 is: 2,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.47 : 3,481.28 = 1,348.26 : x
  2. Step 2: Convert to fraction form
    2,321.47/3,481.28 = 1,348.26/x
  3. Step 3: Cross multiply
    2,321.47x = 3,481.28 × 1,348.26
  4. Step 4: Simplify right side
    2,321.47x = 4,693,670.57
  5. Step 5: Solve for x
    x = 4,693,670.57/2,321.47
  6. Step 6: Final answer
    x = 2,021.85

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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.