Home / 3,745.20-5,167.47-2,418.67

Finding the Fourth Proportional to 3,745.20, 5,167.47 and 2,418.67

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Solution

The fourth proportional to 3,745.20, 5,167.47 and 2,418.67 is: 3,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.20 : 5,167.47 = 2,418.67 : x
  2. Step 2: Convert to fraction form
    3,745.20/5,167.47 = 2,418.67/x
  3. Step 3: Cross multiply
    3,745.20x = 5,167.47 × 2,418.67
  4. Step 4: Simplify right side
    3,745.20x = 12,498,404.66
  5. Step 5: Solve for x
    x = 12,498,404.66/3,745.20
  6. Step 6: Final answer
    x = 3,337.18

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1.5x scale

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.