Home / 3,948.85-5,447.55-2,354.59

Finding the Fourth Proportional to 3,948.85, 5,447.55 and 2,354.59

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Solution

The fourth proportional to 3,948.85, 5,447.55 and 2,354.59 is: 3,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.85 : 5,447.55 = 2,354.59 : x
  2. Step 2: Convert to fraction form
    3,948.85/5,447.55 = 2,354.59/x
  3. Step 3: Cross multiply
    3,948.85x = 5,447.55 × 2,354.59
  4. Step 4: Simplify right side
    3,948.85x = 12,826,746.75
  5. Step 5: Solve for x
    x = 12,826,746.75/3,948.85
  6. Step 6: Final answer
    x = 3,248.22

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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.