Home / 3,745.32-5,167.64-2,418.80

Finding the Fourth Proportional to 3,745.32, 5,167.64 and 2,418.80

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Solution

The fourth proportional to 3,745.32, 5,167.64 and 2,418.80 is: 3,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.32 : 5,167.64 = 2,418.80 : x
  2. Step 2: Convert to fraction form
    3,745.32/5,167.64 = 2,418.80/x
  3. Step 3: Cross multiply
    3,745.32x = 5,167.64 × 2,418.80
  4. Step 4: Simplify right side
    3,745.32x = 12,499,449.70
  5. Step 5: Solve for x
    x = 12,499,449.70/3,745.32
  6. Step 6: Final answer
    x = 3,337.35

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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.