Home / 2,947.06-4,422.14-1,304.74

Finding the Fourth Proportional to 2,947.06, 4,422.14 and 1,304.74

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Solution

The fourth proportional to 2,947.06, 4,422.14 and 1,304.74 is: 1,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.06 : 4,422.14 = 1,304.74 : x
  2. Step 2: Convert to fraction form
    2,947.06/4,422.14 = 1,304.74/x
  3. Step 3: Cross multiply
    2,947.06x = 4,422.14 × 1,304.74
  4. Step 4: Simplify right side
    2,947.06x = 5,769,742.94
  5. Step 5: Solve for x
    x = 5,769,742.94/2,947.06
  6. Step 6: Final answer
    x = 1,957.80

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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.