Home / 3,923.60-5,881.08-1,613.84

Finding the Fourth Proportional to 3,923.60, 5,881.08 and 1,613.84

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Solution

The fourth proportional to 3,923.60, 5,881.08 and 1,613.84 is: 2,418.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.60 : 5,881.08 = 1,613.84 : x
  2. Step 2: Convert to fraction form
    3,923.60/5,881.08 = 1,613.84/x
  3. Step 3: Cross multiply
    3,923.60x = 5,881.08 × 1,613.84
  4. Step 4: Simplify right side
    3,923.60x = 9,491,122.15
  5. Step 5: Solve for x
    x = 9,491,122.15/3,923.60
  6. Step 6: Final answer
    x = 2,418.98

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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.