Home / 3,869.27-5,805.06-1,529.60

Finding the Fourth Proportional to 3,869.27, 5,805.06 and 1,529.60

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Solution

The fourth proportional to 3,869.27, 5,805.06 and 1,529.60 is: 2,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.27 : 5,805.06 = 1,529.60 : x
  2. Step 2: Convert to fraction form
    3,869.27/5,805.06 = 1,529.60/x
  3. Step 3: Cross multiply
    3,869.27x = 5,805.06 × 1,529.60
  4. Step 4: Simplify right side
    3,869.27x = 8,879,419.78
  5. Step 5: Solve for x
    x = 8,879,419.78/3,869.27
  6. Step 6: Final answer
    x = 2,294.86

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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.