Home / 2,281.56-3,149.34-1,443.66

Finding the Fourth Proportional to 2,281.56, 3,149.34 and 1,443.66

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Solution

The fourth proportional to 2,281.56, 3,149.34 and 1,443.66 is: 1,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.56 : 3,149.34 = 1,443.66 : x
  2. Step 2: Convert to fraction form
    2,281.56/3,149.34 = 1,443.66/x
  3. Step 3: Cross multiply
    2,281.56x = 3,149.34 × 1,443.66
  4. Step 4: Simplify right side
    2,281.56x = 4,546,576.18
  5. Step 5: Solve for x
    x = 4,546,576.18/2,281.56
  6. Step 6: Final answer
    x = 1,992.75

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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.