Home / 3,921.41-5,884.18-1,731.65

Finding the Fourth Proportional to 3,921.41, 5,884.18 and 1,731.65

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Solution

The fourth proportional to 3,921.41, 5,884.18 and 1,731.65 is: 2,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.41 : 5,884.18 = 1,731.65 : x
  2. Step 2: Convert to fraction form
    3,921.41/5,884.18 = 1,731.65/x
  3. Step 3: Cross multiply
    3,921.41x = 5,884.18 × 1,731.65
  4. Step 4: Simplify right side
    3,921.41x = 10,189,306.55
  5. Step 5: Solve for x
    x = 10,189,306.55/3,921.41
  6. Step 6: Final answer
    x = 2,598.38

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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.