Home / 3,411.96-5,114.66-1,948.28

Finding the Fourth Proportional to 3,411.96, 5,114.66 and 1,948.28

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Solution

The fourth proportional to 3,411.96, 5,114.66 and 1,948.28 is: 2,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.96 : 5,114.66 = 1,948.28 : x
  2. Step 2: Convert to fraction form
    3,411.96/5,114.66 = 1,948.28/x
  3. Step 3: Cross multiply
    3,411.96x = 5,114.66 × 1,948.28
  4. Step 4: Simplify right side
    3,411.96x = 9,964,789.78
  5. Step 5: Solve for x
    x = 9,964,789.78/3,411.96
  6. Step 6: Final answer
    x = 2,920.55

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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.