Home / 2,926.61-4,381.00-1,998.89

Finding the Fourth Proportional to 2,926.61, 4,381.00 and 1,998.89

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Solution

The fourth proportional to 2,926.61, 4,381.00 and 1,998.89 is: 2,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.61 : 4,381.00 = 1,998.89 : x
  2. Step 2: Convert to fraction form
    2,926.61/4,381.00 = 1,998.89/x
  3. Step 3: Cross multiply
    2,926.61x = 4,381.00 × 1,998.89
  4. Step 4: Simplify right side
    2,926.61x = 8,757,110.19
  5. Step 5: Solve for x
    x = 8,757,110.19/2,926.61
  6. Step 6: Final answer
    x = 2,992.24

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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.