Home / 2,741.48-4,112.04-1,280.96

Finding the Fourth Proportional to 2,741.48, 4,112.04 and 1,280.96

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Solution

The fourth proportional to 2,741.48, 4,112.04 and 1,280.96 is: 1,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.48 : 4,112.04 = 1,280.96 : x
  2. Step 2: Convert to fraction form
    2,741.48/4,112.04 = 1,280.96/x
  3. Step 3: Cross multiply
    2,741.48x = 4,112.04 × 1,280.96
  4. Step 4: Simplify right side
    2,741.48x = 5,267,358.76
  5. Step 5: Solve for x
    x = 5,267,358.76/2,741.48
  6. Step 6: Final answer
    x = 1,921.36

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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.