Home / 3,675.48-5,514.14-1,078.43

Finding the Fourth Proportional to 3,675.48, 5,514.14 and 1,078.43

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Solution

The fourth proportional to 3,675.48, 5,514.14 and 1,078.43 is: 1,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.48 : 5,514.14 = 1,078.43 : x
  2. Step 2: Convert to fraction form
    3,675.48/5,514.14 = 1,078.43/x
  3. Step 3: Cross multiply
    3,675.48x = 5,514.14 × 1,078.43
  4. Step 4: Simplify right side
    3,675.48x = 5,946,581.04
  5. Step 5: Solve for x
    x = 5,946,581.04/3,675.48
  6. Step 6: Final answer
    x = 1,617.91

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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.