Home / 1,519.94-2,098.03-961.34

Finding the Fourth Proportional to 1,519.94, 2,098.03 and 961.34

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Solution

The fourth proportional to 1,519.94, 2,098.03 and 961.34 is: 1,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.94 : 2,098.03 = 961.34 : x
  2. Step 2: Convert to fraction form
    1,519.94/2,098.03 = 961.34/x
  3. Step 3: Cross multiply
    1,519.94x = 2,098.03 × 961.34
  4. Step 4: Simplify right side
    1,519.94x = 2,016,920.16
  5. Step 5: Solve for x
    x = 2,016,920.16/1,519.94
  6. Step 6: Final answer
    x = 1,326.97

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1.5x scale

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.