Home / 2,926.62-4,387.55-1,999.85

Finding the Fourth Proportional to 2,926.62, 4,387.55 and 1,999.85

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Solution

The fourth proportional to 2,926.62, 4,387.55 and 1,999.85 is: 2,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.62 : 4,387.55 = 1,999.85 : x
  2. Step 2: Convert to fraction form
    2,926.62/4,387.55 = 1,999.85/x
  3. Step 3: Cross multiply
    2,926.62x = 4,387.55 × 1,999.85
  4. Step 4: Simplify right side
    2,926.62x = 8,774,409.93
  5. Step 5: Solve for x
    x = 8,774,409.93/2,926.62
  6. Step 6: Final answer
    x = 2,998.14

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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.