Home / 1,441.62-2,162.79-826.02

Finding the Fourth Proportional to 1,441.62, 2,162.79 and 826.02

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Solution

The fourth proportional to 1,441.62, 2,162.79 and 826.02 is: 1,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.62 : 2,162.79 = 826.02 : x
  2. Step 2: Convert to fraction form
    1,441.62/2,162.79 = 826.02/x
  3. Step 3: Cross multiply
    1,441.62x = 2,162.79 × 826.02
  4. Step 4: Simplify right side
    1,441.62x = 1,786,507.80
  5. Step 5: Solve for x
    x = 1,786,507.80/1,441.62
  6. Step 6: Final answer
    x = 1,239.24

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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.