Home / 1,191.32-1,786.68-532.84

Finding the Fourth Proportional to 1,191.32, 1,786.68 and 532.84

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Solution

The fourth proportional to 1,191.32, 1,786.68 and 532.84 is: 799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191.32 : 1,786.68 = 532.84 : x
  2. Step 2: Convert to fraction form
    1,191.32/1,786.68 = 532.84/x
  3. Step 3: Cross multiply
    1,191.32x = 1,786.68 × 532.84
  4. Step 4: Simplify right side
    1,191.32x = 952,014.57
  5. Step 5: Solve for x
    x = 952,014.57/1,191.32
  6. Step 6: Final answer
    x = 799.13

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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.