Home / 3,508.20-5,256.54-1,862.28

Finding the Fourth Proportional to 3,508.20, 5,256.54 and 1,862.28

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Solution

The fourth proportional to 3,508.20, 5,256.54 and 1,862.28 is: 2,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.20 : 5,256.54 = 1,862.28 : x
  2. Step 2: Convert to fraction form
    3,508.20/5,256.54 = 1,862.28/x
  3. Step 3: Cross multiply
    3,508.20x = 5,256.54 × 1,862.28
  4. Step 4: Simplify right side
    3,508.20x = 9,789,149.31
  5. Step 5: Solve for x
    x = 9,789,149.31/3,508.20
  6. Step 6: Final answer
    x = 2,790.36

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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.