Home / 2,721.95-3,750.92-1,933.79

Finding the Fourth Proportional to 2,721.95, 3,750.92 and 1,933.79

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Solution

The fourth proportional to 2,721.95, 3,750.92 and 1,933.79 is: 2,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.95 : 3,750.92 = 1,933.79 : x
  2. Step 2: Convert to fraction form
    2,721.95/3,750.92 = 1,933.79/x
  3. Step 3: Cross multiply
    2,721.95x = 3,750.92 × 1,933.79
  4. Step 4: Simplify right side
    2,721.95x = 7,253,481.92
  5. Step 5: Solve for x
    x = 7,253,481.92/2,721.95
  6. Step 6: Final answer
    x = 2,664.81

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1.5x scale

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.