Home / 2,486.97-3,733.20-2,101.74

Finding the Fourth Proportional to 2,486.97, 3,733.20 and 2,101.74

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Solution

The fourth proportional to 2,486.97, 3,733.20 and 2,101.74 is: 3,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.97 : 3,733.20 = 2,101.74 : x
  2. Step 2: Convert to fraction form
    2,486.97/3,733.20 = 2,101.74/x
  3. Step 3: Cross multiply
    2,486.97x = 3,733.20 × 2,101.74
  4. Step 4: Simplify right side
    2,486.97x = 7,846,215.77
  5. Step 5: Solve for x
    x = 7,846,215.77/2,486.97
  6. Step 6: Final answer
    x = 3,154.93

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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.