Home / 2,833.47-4,251.38-1,272.39

Finding the Fourth Proportional to 2,833.47, 4,251.38 and 1,272.39

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Solution

The fourth proportional to 2,833.47, 4,251.38 and 1,272.39 is: 1,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.47 : 4,251.38 = 1,272.39 : x
  2. Step 2: Convert to fraction form
    2,833.47/4,251.38 = 1,272.39/x
  3. Step 3: Cross multiply
    2,833.47x = 4,251.38 × 1,272.39
  4. Step 4: Simplify right side
    2,833.47x = 5,409,407.04
  5. Step 5: Solve for x
    x = 5,409,407.04/2,833.47
  6. Step 6: Final answer
    x = 1,909.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.