Home / 2,481.30-3,428.12-2,284.47

Finding the Fourth Proportional to 2,481.30, 3,428.12 and 2,284.47

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Solution

The fourth proportional to 2,481.30, 3,428.12 and 2,284.47 is: 3,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.30 : 3,428.12 = 2,284.47 : x
  2. Step 2: Convert to fraction form
    2,481.30/3,428.12 = 2,284.47/x
  3. Step 3: Cross multiply
    2,481.30x = 3,428.12 × 2,284.47
  4. Step 4: Simplify right side
    2,481.30x = 7,831,443.01
  5. Step 5: Solve for x
    x = 7,831,443.01/2,481.30
  6. Step 6: Final answer
    x = 3,156.19

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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.