Home / 3,926.32-5,876.66-2,886.05

Finding the Fourth Proportional to 3,926.32, 5,876.66 and 2,886.05

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Solution

The fourth proportional to 3,926.32, 5,876.66 and 2,886.05 is: 4,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.32 : 5,876.66 = 2,886.05 : x
  2. Step 2: Convert to fraction form
    3,926.32/5,876.66 = 2,886.05/x
  3. Step 3: Cross multiply
    3,926.32x = 5,876.66 × 2,886.05
  4. Step 4: Simplify right side
    3,926.32x = 16,960,334.59
  5. Step 5: Solve for x
    x = 16,960,334.59/3,926.32
  6. Step 6: Final answer
    x = 4,319.65

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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.