Home / 2,947.07-4,422.13-1,304.75

Finding the Fourth Proportional to 2,947.07, 4,422.13 and 1,304.75

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Solution

The fourth proportional to 2,947.07, 4,422.13 and 1,304.75 is: 1,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.07 : 4,422.13 = 1,304.75 : x
  2. Step 2: Convert to fraction form
    2,947.07/4,422.13 = 1,304.75/x
  3. Step 3: Cross multiply
    2,947.07x = 4,422.13 × 1,304.75
  4. Step 4: Simplify right side
    2,947.07x = 5,769,748.74
  5. Step 5: Solve for x
    x = 5,769,748.74/2,947.07
  6. Step 6: Final answer
    x = 1,957.79

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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.