Home / 3,217.66-4,438.68-2,098.12

Finding the Fourth Proportional to 3,217.66, 4,438.68 and 2,098.12

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Solution

The fourth proportional to 3,217.66, 4,438.68 and 2,098.12 is: 2,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.66 : 4,438.68 = 2,098.12 : x
  2. Step 2: Convert to fraction form
    3,217.66/4,438.68 = 2,098.12/x
  3. Step 3: Cross multiply
    3,217.66x = 4,438.68 × 2,098.12
  4. Step 4: Simplify right side
    3,217.66x = 9,312,883.28
  5. Step 5: Solve for x
    x = 9,312,883.28/3,217.66
  6. Step 6: Final answer
    x = 2,894.30

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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.