Home / 3,691.86-5,542.65-3,386.22

Finding the Fourth Proportional to 3,691.86, 5,542.65 and 3,386.22

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Solution

The fourth proportional to 3,691.86, 5,542.65 and 3,386.22 is: 5,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.86 : 5,542.65 = 3,386.22 : x
  2. Step 2: Convert to fraction form
    3,691.86/5,542.65 = 3,386.22/x
  3. Step 3: Cross multiply
    3,691.86x = 5,542.65 × 3,386.22
  4. Step 4: Simplify right side
    3,691.86x = 18,768,632.28
  5. Step 5: Solve for x
    x = 18,768,632.28/3,691.86
  6. Step 6: Final answer
    x = 5,083.79

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1.5x scale

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.