Home / 2,846.13-3,926.57-2,101.88

Finding the Fourth Proportional to 2,846.13, 3,926.57 and 2,101.88

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Solution

The fourth proportional to 2,846.13, 3,926.57 and 2,101.88 is: 2,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.13 : 3,926.57 = 2,101.88 : x
  2. Step 2: Convert to fraction form
    2,846.13/3,926.57 = 2,101.88/x
  3. Step 3: Cross multiply
    2,846.13x = 3,926.57 × 2,101.88
  4. Step 4: Simplify right side
    2,846.13x = 8,253,148.81
  5. Step 5: Solve for x
    x = 8,253,148.81/2,846.13
  6. Step 6: Final answer
    x = 2,899.78

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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.