Home / 1,758.66-2,426.93-961.97

Finding the Fourth Proportional to 1,758.66, 2,426.93 and 961.97

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Solution

The fourth proportional to 1,758.66, 2,426.93 and 961.97 is: 1,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.66 : 2,426.93 = 961.97 : x
  2. Step 2: Convert to fraction form
    1,758.66/2,426.93 = 961.97/x
  3. Step 3: Cross multiply
    1,758.66x = 2,426.93 × 961.97
  4. Step 4: Simplify right side
    1,758.66x = 2,334,633.85
  5. Step 5: Solve for x
    x = 2,334,633.85/1,758.66
  6. Step 6: Final answer
    x = 1,327.51

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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.