Home / 1,947.65-2,687.72-1,063.44

Finding the Fourth Proportional to 1,947.65, 2,687.72 and 1,063.44

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Solution

The fourth proportional to 1,947.65, 2,687.72 and 1,063.44 is: 1,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.65 : 2,687.72 = 1,063.44 : x
  2. Step 2: Convert to fraction form
    1,947.65/2,687.72 = 1,063.44/x
  3. Step 3: Cross multiply
    1,947.65x = 2,687.72 × 1,063.44
  4. Step 4: Simplify right side
    1,947.65x = 2,858,223.64
  5. Step 5: Solve for x
    x = 2,858,223.64/1,947.65
  6. Step 6: Final answer
    x = 1,467.53

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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.