Home / 1,292.28-1,933.94-1,016.08

Finding the Fourth Proportional to 1,292.28, 1,933.94 and 1,016.08

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Solution

The fourth proportional to 1,292.28, 1,933.94 and 1,016.08 is: 1,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292.28 : 1,933.94 = 1,016.08 : x
  2. Step 2: Convert to fraction form
    1,292.28/1,933.94 = 1,016.08/x
  3. Step 3: Cross multiply
    1,292.28x = 1,933.94 × 1,016.08
  4. Step 4: Simplify right side
    1,292.28x = 1,965,037.76
  5. Step 5: Solve for x
    x = 1,965,037.76/1,292.28
  6. Step 6: Final answer
    x = 1,520.60

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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.