Home / 2,392.12-3,589.62-852.92

Finding the Fourth Proportional to 2,392.12, 3,589.62 and 852.92

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Solution

The fourth proportional to 2,392.12, 3,589.62 and 852.92 is: 1,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.12 : 3,589.62 = 852.92 : x
  2. Step 2: Convert to fraction form
    2,392.12/3,589.62 = 852.92/x
  3. Step 3: Cross multiply
    2,392.12x = 3,589.62 × 852.92
  4. Step 4: Simplify right side
    2,392.12x = 3,061,658.69
  5. Step 5: Solve for x
    x = 3,061,658.69/2,392.12
  6. Step 6: Final answer
    x = 1,279.89

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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.