Home / 2,744.57-3,784.68-1,947.53

Finding the Fourth Proportional to 2,744.57, 3,784.68 and 1,947.53

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Solution

The fourth proportional to 2,744.57, 3,784.68 and 1,947.53 is: 2,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.57 : 3,784.68 = 1,947.53 : x
  2. Step 2: Convert to fraction form
    2,744.57/3,784.68 = 1,947.53/x
  3. Step 3: Cross multiply
    2,744.57x = 3,784.68 × 1,947.53
  4. Step 4: Simplify right side
    2,744.57x = 7,370,777.84
  5. Step 5: Solve for x
    x = 7,370,777.84/2,744.57
  6. Step 6: Final answer
    x = 2,685.59

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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.