Home / 3,877.30-5,815.96-1,104.28

Finding the Fourth Proportional to 3,877.30, 5,815.96 and 1,104.28

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Solution

The fourth proportional to 3,877.30, 5,815.96 and 1,104.28 is: 1,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.30 : 5,815.96 = 1,104.28 : x
  2. Step 2: Convert to fraction form
    3,877.30/5,815.96 = 1,104.28/x
  3. Step 3: Cross multiply
    3,877.30x = 5,815.96 × 1,104.28
  4. Step 4: Simplify right side
    3,877.30x = 6,422,448.31
  5. Step 5: Solve for x
    x = 6,422,448.31/3,877.30
  6. Step 6: Final answer
    x = 1,656.42

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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.