Home / 3,197.26-4,407.78-2,486.89

Finding the Fourth Proportional to 3,197.26, 4,407.78 and 2,486.89

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Solution

The fourth proportional to 3,197.26, 4,407.78 and 2,486.89 is: 3,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.26 : 4,407.78 = 2,486.89 : x
  2. Step 2: Convert to fraction form
    3,197.26/4,407.78 = 2,486.89/x
  3. Step 3: Cross multiply
    3,197.26x = 4,407.78 × 2,486.89
  4. Step 4: Simplify right side
    3,197.26x = 10,961,664.00
  5. Step 5: Solve for x
    x = 10,961,664.00/3,197.26
  6. Step 6: Final answer
    x = 3,428.46

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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.