Home / 3,745.22-5,169.61-2,417.90

Finding the Fourth Proportional to 3,745.22, 5,169.61 and 2,417.90

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Solution

The fourth proportional to 3,745.22, 5,169.61 and 2,417.90 is: 3,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.22 : 5,169.61 = 2,417.90 : x
  2. Step 2: Convert to fraction form
    3,745.22/5,169.61 = 2,417.90/x
  3. Step 3: Cross multiply
    3,745.22x = 5,169.61 × 2,417.90
  4. Step 4: Simplify right side
    3,745.22x = 12,499,613.07
  5. Step 5: Solve for x
    x = 12,499,613.07/3,745.22
  6. Step 6: Final answer
    x = 3,337.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.