Home / 2,449.68-3,671.76-1,293.12

Finding the Fourth Proportional to 2,449.68, 3,671.76 and 1,293.12

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Solution

The fourth proportional to 2,449.68, 3,671.76 and 1,293.12 is: 1,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.68 : 3,671.76 = 1,293.12 : x
  2. Step 2: Convert to fraction form
    2,449.68/3,671.76 = 1,293.12/x
  3. Step 3: Cross multiply
    2,449.68x = 3,671.76 × 1,293.12
  4. Step 4: Simplify right side
    2,449.68x = 4,748,026.29
  5. Step 5: Solve for x
    x = 4,748,026.29/2,449.68
  6. Step 6: Final answer
    x = 1,938.22

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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.