Home / 3,948.11-5,913.61-2,556.93

Finding the Fourth Proportional to 3,948.11, 5,913.61 and 2,556.93

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Solution

The fourth proportional to 3,948.11, 5,913.61 and 2,556.93 is: 3,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.11 : 5,913.61 = 2,556.93 : x
  2. Step 2: Convert to fraction form
    3,948.11/5,913.61 = 2,556.93/x
  3. Step 3: Cross multiply
    3,948.11x = 5,913.61 × 2,556.93
  4. Step 4: Simplify right side
    3,948.11x = 15,120,702.60
  5. Step 5: Solve for x
    x = 15,120,702.60/3,948.11
  6. Step 6: Final answer
    x = 3,829.86

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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.