Home / 2,886.87-4,326.62-1,241.76

Finding the Fourth Proportional to 2,886.87, 4,326.62 and 1,241.76

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Solution

The fourth proportional to 2,886.87, 4,326.62 and 1,241.76 is: 1,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.87 : 4,326.62 = 1,241.76 : x
  2. Step 2: Convert to fraction form
    2,886.87/4,326.62 = 1,241.76/x
  3. Step 3: Cross multiply
    2,886.87x = 4,326.62 × 1,241.76
  4. Step 4: Simplify right side
    2,886.87x = 5,372,633.67
  5. Step 5: Solve for x
    x = 5,372,633.67/2,886.87
  6. Step 6: Final answer
    x = 1,861.06

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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.