Home / 3,746.22-5,170.99-2,418.90

Finding the Fourth Proportional to 3,746.22, 5,170.99 and 2,418.90

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Solution

The fourth proportional to 3,746.22, 5,170.99 and 2,418.90 is: 3,338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.22 : 5,170.99 = 2,418.90 : x
  2. Step 2: Convert to fraction form
    3,746.22/5,170.99 = 2,418.90/x
  3. Step 3: Cross multiply
    3,746.22x = 5,170.99 × 2,418.90
  4. Step 4: Simplify right side
    3,746.22x = 12,508,107.71
  5. Step 5: Solve for x
    x = 12,508,107.71/3,746.22
  6. Step 6: Final answer
    x = 3,338.86

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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.