Home / 2,005.29-3,008.61-965.70

Finding the Fourth Proportional to 2,005.29, 3,008.61 and 965.70

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Solution

The fourth proportional to 2,005.29, 3,008.61 and 965.70 is: 1,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.29 : 3,008.61 = 965.70 : x
  2. Step 2: Convert to fraction form
    2,005.29/3,008.61 = 965.70/x
  3. Step 3: Cross multiply
    2,005.29x = 3,008.61 × 965.70
  4. Step 4: Simplify right side
    2,005.29x = 2,905,414.68
  5. Step 5: Solve for x
    x = 2,905,414.68/2,005.29
  6. Step 6: Final answer
    x = 1,448.88

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1.5x scale

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.