Home / 3,876.16-5,814.24-1,410.52

Finding the Fourth Proportional to 3,876.16, 5,814.24 and 1,410.52

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Solution

The fourth proportional to 3,876.16, 5,814.24 and 1,410.52 is: 2,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.16 : 5,814.24 = 1,410.52 : x
  2. Step 2: Convert to fraction form
    3,876.16/5,814.24 = 1,410.52/x
  3. Step 3: Cross multiply
    3,876.16x = 5,814.24 × 1,410.52
  4. Step 4: Simplify right side
    3,876.16x = 8,201,101.80
  5. Step 5: Solve for x
    x = 8,201,101.80/3,876.16
  6. Step 6: Final answer
    x = 2,115.78

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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.