Home / 1,486.96-2,231.24-966.84

Finding the Fourth Proportional to 1,486.96, 2,231.24 and 966.84

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Solution

The fourth proportional to 1,486.96, 2,231.24 and 966.84 is: 1,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.96 : 2,231.24 = 966.84 : x
  2. Step 2: Convert to fraction form
    1,486.96/2,231.24 = 966.84/x
  3. Step 3: Cross multiply
    1,486.96x = 2,231.24 × 966.84
  4. Step 4: Simplify right side
    1,486.96x = 2,157,252.08
  5. Step 5: Solve for x
    x = 2,157,252.08/1,486.96
  6. Step 6: Final answer
    x = 1,450.78

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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.