Home / 1,292.28-1,933.95-1,016.07

Finding the Fourth Proportional to 1,292.28, 1,933.95 and 1,016.07

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Solution

The fourth proportional to 1,292.28, 1,933.95 and 1,016.07 is: 1,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292.28 : 1,933.95 = 1,016.07 : x
  2. Step 2: Convert to fraction form
    1,292.28/1,933.95 = 1,016.07/x
  3. Step 3: Cross multiply
    1,292.28x = 1,933.95 × 1,016.07
  4. Step 4: Simplify right side
    1,292.28x = 1,965,028.58
  5. Step 5: Solve for x
    x = 1,965,028.58/1,292.28
  6. Step 6: Final answer
    x = 1,520.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.