Home / 2,815.14-4,223.41-966.29

Finding the Fourth Proportional to 2,815.14, 4,223.41 and 966.29

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Solution

The fourth proportional to 2,815.14, 4,223.41 and 966.29 is: 1,449.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.14 : 4,223.41 = 966.29 : x
  2. Step 2: Convert to fraction form
    2,815.14/4,223.41 = 966.29/x
  3. Step 3: Cross multiply
    2,815.14x = 4,223.41 × 966.29
  4. Step 4: Simplify right side
    2,815.14x = 4,081,015.32
  5. Step 5: Solve for x
    x = 4,081,015.32/2,815.14
  6. Step 6: Final answer
    x = 1,449.66

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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.