Home / 1,481.27-2,221.83-556.47

Finding the Fourth Proportional to 1,481.27, 2,221.83 and 556.47

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Solution

The fourth proportional to 1,481.27, 2,221.83 and 556.47 is: 834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.27 : 2,221.83 = 556.47 : x
  2. Step 2: Convert to fraction form
    1,481.27/2,221.83 = 556.47/x
  3. Step 3: Cross multiply
    1,481.27x = 2,221.83 × 556.47
  4. Step 4: Simplify right side
    1,481.27x = 1,236,381.74
  5. Step 5: Solve for x
    x = 1,236,381.74/1,481.27
  6. Step 6: Final answer
    x = 834.68

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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.