Home / 2,751.32-4,123.10-1,519.28

Finding the Fourth Proportional to 2,751.32, 4,123.10 and 1,519.28

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Solution

The fourth proportional to 2,751.32, 4,123.10 and 1,519.28 is: 2,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.32 : 4,123.10 = 1,519.28 : x
  2. Step 2: Convert to fraction form
    2,751.32/4,123.10 = 1,519.28/x
  3. Step 3: Cross multiply
    2,751.32x = 4,123.10 × 1,519.28
  4. Step 4: Simplify right side
    2,751.32x = 6,264,143.37
  5. Step 5: Solve for x
    x = 6,264,143.37/2,751.32
  6. Step 6: Final answer
    x = 2,276.78

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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.