Home / 1,947.51-2,687.56-1,063.32

Finding the Fourth Proportional to 1,947.51, 2,687.56 and 1,063.32

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Solution

The fourth proportional to 1,947.51, 2,687.56 and 1,063.32 is: 1,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.51 : 2,687.56 = 1,063.32 : x
  2. Step 2: Convert to fraction form
    1,947.51/2,687.56 = 1,063.32/x
  3. Step 3: Cross multiply
    1,947.51x = 2,687.56 × 1,063.32
  4. Step 4: Simplify right side
    1,947.51x = 2,857,736.30
  5. Step 5: Solve for x
    x = 2,857,736.30/1,947.51
  6. Step 6: Final answer
    x = 1,467.38

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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.