Home / 2,251.80-3,376.08-1,519.56

Finding the Fourth Proportional to 2,251.80, 3,376.08 and 1,519.56

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Solution

The fourth proportional to 2,251.80, 3,376.08 and 1,519.56 is: 2,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.80 : 3,376.08 = 1,519.56 : x
  2. Step 2: Convert to fraction form
    2,251.80/3,376.08 = 1,519.56/x
  3. Step 3: Cross multiply
    2,251.80x = 3,376.08 × 1,519.56
  4. Step 4: Simplify right side
    2,251.80x = 5,130,156.12
  5. Step 5: Solve for x
    x = 5,130,156.12/2,251.80
  6. Step 6: Final answer
    x = 2,278.25

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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.