Home / 1,947.15-2,687.07-1,062.94

Finding the Fourth Proportional to 1,947.15, 2,687.07 and 1,062.94

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Solution

The fourth proportional to 1,947.15, 2,687.07 and 1,062.94 is: 1,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.15 : 2,687.07 = 1,062.94 : x
  2. Step 2: Convert to fraction form
    1,947.15/2,687.07 = 1,062.94/x
  3. Step 3: Cross multiply
    1,947.15x = 2,687.07 × 1,062.94
  4. Step 4: Simplify right side
    1,947.15x = 2,856,194.19
  5. Step 5: Solve for x
    x = 2,856,194.19/1,947.15
  6. Step 6: Final answer
    x = 1,466.86

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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.