Home / 2,304.72-3,178.55-1,947.56

Finding the Fourth Proportional to 2,304.72, 3,178.55 and 1,947.56

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Solution

The fourth proportional to 2,304.72, 3,178.55 and 1,947.56 is: 2,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,304.72 : 3,178.55 = 1,947.56 : x
  2. Step 2: Convert to fraction form
    2,304.72/3,178.55 = 1,947.56/x
  3. Step 3: Cross multiply
    2,304.72x = 3,178.55 × 1,947.56
  4. Step 4: Simplify right side
    2,304.72x = 6,190,416.84
  5. Step 5: Solve for x
    x = 6,190,416.84/2,304.72
  6. Step 6: Final answer
    x = 2,685.97

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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.