Home / 3,878.28-5,815.35-2,024.91

Finding the Fourth Proportional to 3,878.28, 5,815.35 and 2,024.91

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Solution

The fourth proportional to 3,878.28, 5,815.35 and 2,024.91 is: 3,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.28 : 5,815.35 = 2,024.91 : x
  2. Step 2: Convert to fraction form
    3,878.28/5,815.35 = 2,024.91/x
  3. Step 3: Cross multiply
    3,878.28x = 5,815.35 × 2,024.91
  4. Step 4: Simplify right side
    3,878.28x = 11,775,560.37
  5. Step 5: Solve for x
    x = 11,775,560.37/3,878.28
  6. Step 6: Final answer
    x = 3,036.28

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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.