Home / 1,947.55-2,687.60-1,063.35

Finding the Fourth Proportional to 1,947.55, 2,687.60 and 1,063.35

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Solution

The fourth proportional to 1,947.55, 2,687.60 and 1,063.35 is: 1,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.55 : 2,687.60 = 1,063.35 : x
  2. Step 2: Convert to fraction form
    1,947.55/2,687.60 = 1,063.35/x
  3. Step 3: Cross multiply
    1,947.55x = 2,687.60 × 1,063.35
  4. Step 4: Simplify right side
    1,947.55x = 2,857,850.08
  5. Step 5: Solve for x
    x = 2,857,850.08/1,947.55
  6. Step 6: Final answer
    x = 1,467.41

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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.