Home / 2,738.72-4,101.54-1,580.96

Finding the Fourth Proportional to 2,738.72, 4,101.54 and 1,580.96

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Solution

The fourth proportional to 2,738.72, 4,101.54 and 1,580.96 is: 2,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.72 : 4,101.54 = 1,580.96 : x
  2. Step 2: Convert to fraction form
    2,738.72/4,101.54 = 1,580.96/x
  3. Step 3: Cross multiply
    2,738.72x = 4,101.54 × 1,580.96
  4. Step 4: Simplify right side
    2,738.72x = 6,484,370.68
  5. Step 5: Solve for x
    x = 6,484,370.68/2,738.72
  6. Step 6: Final answer
    x = 2,367.66

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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.