Home / 1,965.56-2,711.92-1,267.34

Finding the Fourth Proportional to 1,965.56, 2,711.92 and 1,267.34

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Solution

The fourth proportional to 1,965.56, 2,711.92 and 1,267.34 is: 1,748.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.56 : 2,711.92 = 1,267.34 : x
  2. Step 2: Convert to fraction form
    1,965.56/2,711.92 = 1,267.34/x
  3. Step 3: Cross multiply
    1,965.56x = 2,711.92 × 1,267.34
  4. Step 4: Simplify right side
    1,965.56x = 3,436,924.69
  5. Step 5: Solve for x
    x = 3,436,924.69/1,965.56
  6. Step 6: Final answer
    x = 1,748.57

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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.