Home / 2,281.31-3,418.30-2,062.61

Finding the Fourth Proportional to 2,281.31, 3,418.30 and 2,062.61

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Solution

The fourth proportional to 2,281.31, 3,418.30 and 2,062.61 is: 3,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.31 : 3,418.30 = 2,062.61 : x
  2. Step 2: Convert to fraction form
    2,281.31/3,418.30 = 2,062.61/x
  3. Step 3: Cross multiply
    2,281.31x = 3,418.30 × 2,062.61
  4. Step 4: Simplify right side
    2,281.31x = 7,050,619.76
  5. Step 5: Solve for x
    x = 7,050,619.76/2,281.31
  6. Step 6: Final answer
    x = 3,090.60

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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.