Home / 2,169.11-3,252.20-852.05

Finding the Fourth Proportional to 2,169.11, 3,252.20 and 852.05

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Solution

The fourth proportional to 2,169.11, 3,252.20 and 852.05 is: 1,277.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.11 : 3,252.20 = 852.05 : x
  2. Step 2: Convert to fraction form
    2,169.11/3,252.20 = 852.05/x
  3. Step 3: Cross multiply
    2,169.11x = 3,252.20 × 852.05
  4. Step 4: Simplify right side
    2,169.11x = 2,771,016.49
  5. Step 5: Solve for x
    x = 2,771,016.49/2,169.11
  6. Step 6: Final answer
    x = 1,277.49

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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.