Home / 3,819.93-5,725.08-2,177.40

Finding the Fourth Proportional to 3,819.93, 5,725.08 and 2,177.40

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Solution

The fourth proportional to 3,819.93, 5,725.08 and 2,177.40 is: 3,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.93 : 5,725.08 = 2,177.40 : x
  2. Step 2: Convert to fraction form
    3,819.93/5,725.08 = 2,177.40/x
  3. Step 3: Cross multiply
    3,819.93x = 5,725.08 × 2,177.40
  4. Step 4: Simplify right side
    3,819.93x = 12,465,789.19
  5. Step 5: Solve for x
    x = 12,465,789.19/3,819.93
  6. Step 6: Final answer
    x = 3,263.36

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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.