Home / 2,199.19-3,299.37-966.88

Finding the Fourth Proportional to 2,199.19, 3,299.37 and 966.88

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Solution

The fourth proportional to 2,199.19, 3,299.37 and 966.88 is: 1,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.19 : 3,299.37 = 966.88 : x
  2. Step 2: Convert to fraction form
    2,199.19/3,299.37 = 966.88/x
  3. Step 3: Cross multiply
    2,199.19x = 3,299.37 × 966.88
  4. Step 4: Simplify right side
    2,199.19x = 3,190,094.87
  5. Step 5: Solve for x
    x = 3,190,094.87/2,199.19
  6. Step 6: Final answer
    x = 1,450.58

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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.