Home / 2,799.01-3,861.30-1,803.79

Finding the Fourth Proportional to 2,799.01, 3,861.30 and 1,803.79

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Solution

The fourth proportional to 2,799.01, 3,861.30 and 1,803.79 is: 2,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.01 : 3,861.30 = 1,803.79 : x
  2. Step 2: Convert to fraction form
    2,799.01/3,861.30 = 1,803.79/x
  3. Step 3: Cross multiply
    2,799.01x = 3,861.30 × 1,803.79
  4. Step 4: Simplify right side
    2,799.01x = 6,964,974.33
  5. Step 5: Solve for x
    x = 6,964,974.33/2,799.01
  6. Step 6: Final answer
    x = 2,488.37

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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.