Home / 2,251.20-3,376.91-790.37

Finding the Fourth Proportional to 2,251.20, 3,376.91 and 790.37

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Solution

The fourth proportional to 2,251.20, 3,376.91 and 790.37 is: 1,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.20 : 3,376.91 = 790.37 : x
  2. Step 2: Convert to fraction form
    2,251.20/3,376.91 = 790.37/x
  3. Step 3: Cross multiply
    2,251.20x = 3,376.91 × 790.37
  4. Step 4: Simplify right side
    2,251.20x = 2,669,008.36
  5. Step 5: Solve for x
    x = 2,669,008.36/2,251.20
  6. Step 6: Final answer
    x = 1,185.59

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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.