Home / 2,281.13-3,147.96-1,233.20

Finding the Fourth Proportional to 2,281.13, 3,147.96 and 1,233.20

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Solution

The fourth proportional to 2,281.13, 3,147.96 and 1,233.20 is: 1,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.13 : 3,147.96 = 1,233.20 : x
  2. Step 2: Convert to fraction form
    2,281.13/3,147.96 = 1,233.20/x
  3. Step 3: Cross multiply
    2,281.13x = 3,147.96 × 1,233.20
  4. Step 4: Simplify right side
    2,281.13x = 3,882,064.27
  5. Step 5: Solve for x
    x = 3,882,064.27/2,281.13
  6. Step 6: Final answer
    x = 1,701.82

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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.