Home / 1,481.18-2,222.08-556.72

Finding the Fourth Proportional to 1,481.18, 2,222.08 and 556.72

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Solution

The fourth proportional to 1,481.18, 2,222.08 and 556.72 is: 835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.18 : 2,222.08 = 556.72 : x
  2. Step 2: Convert to fraction form
    1,481.18/2,222.08 = 556.72/x
  3. Step 3: Cross multiply
    1,481.18x = 2,222.08 × 556.72
  4. Step 4: Simplify right side
    1,481.18x = 1,237,076.38
  5. Step 5: Solve for x
    x = 1,237,076.38/1,481.18
  6. Step 6: Final answer
    x = 835.20

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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.