Home / 1,486.23-2,228.26-966.75

Finding the Fourth Proportional to 1,486.23, 2,228.26 and 966.75

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Solution

The fourth proportional to 1,486.23, 2,228.26 and 966.75 is: 1,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.23 : 2,228.26 = 966.75 : x
  2. Step 2: Convert to fraction form
    1,486.23/2,228.26 = 966.75/x
  3. Step 3: Cross multiply
    1,486.23x = 2,228.26 × 966.75
  4. Step 4: Simplify right side
    1,486.23x = 2,154,170.36
  5. Step 5: Solve for x
    x = 2,154,170.36/1,486.23
  6. Step 6: Final answer
    x = 1,449.42

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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.