Home / 3,146.60-4,712.31-2,486.18

Finding the Fourth Proportional to 3,146.60, 4,712.31 and 2,486.18

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Solution

The fourth proportional to 3,146.60, 4,712.31 and 2,486.18 is: 3,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.60 : 4,712.31 = 2,486.18 : x
  2. Step 2: Convert to fraction form
    3,146.60/4,712.31 = 2,486.18/x
  3. Step 3: Cross multiply
    3,146.60x = 4,712.31 × 2,486.18
  4. Step 4: Simplify right side
    3,146.60x = 11,715,650.88
  5. Step 5: Solve for x
    x = 11,715,650.88/3,146.60
  6. Step 6: Final answer
    x = 3,723.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.