Home / 1,441.58-2,162.27-517.09

Finding the Fourth Proportional to 1,441.58, 2,162.27 and 517.09

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Solution

The fourth proportional to 1,441.58, 2,162.27 and 517.09 is: 775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.58 : 2,162.27 = 517.09 : x
  2. Step 2: Convert to fraction form
    1,441.58/2,162.27 = 517.09/x
  3. Step 3: Cross multiply
    1,441.58x = 2,162.27 × 517.09
  4. Step 4: Simplify right side
    1,441.58x = 1,118,077.38
  5. Step 5: Solve for x
    x = 1,118,077.38/1,441.58
  6. Step 6: Final answer
    x = 775.59

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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.