Home / 3,876.20-5,816.69-1,535.81

Finding the Fourth Proportional to 3,876.20, 5,816.69 and 1,535.81

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Solution

The fourth proportional to 3,876.20, 5,816.69 and 1,535.81 is: 2,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.20 : 5,816.69 = 1,535.81 : x
  2. Step 2: Convert to fraction form
    3,876.20/5,816.69 = 1,535.81/x
  3. Step 3: Cross multiply
    3,876.20x = 5,816.69 × 1,535.81
  4. Step 4: Simplify right side
    3,876.20x = 8,933,293.91
  5. Step 5: Solve for x
    x = 8,933,293.91/3,876.20
  6. Step 6: Final answer
    x = 2,304.66

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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.