Home / 1,094.20-1,641.25-272.46

Finding the Fourth Proportional to 1,094.20, 1,641.25 and 272.46

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Solution

The fourth proportional to 1,094.20, 1,641.25 and 272.46 is: 408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.20 : 1,641.25 = 272.46 : x
  2. Step 2: Convert to fraction form
    1,094.20/1,641.25 = 272.46/x
  3. Step 3: Cross multiply
    1,094.20x = 1,641.25 × 272.46
  4. Step 4: Simplify right side
    1,094.20x = 447,174.98
  5. Step 5: Solve for x
    x = 447,174.98/1,094.20
  6. Step 6: Final answer
    x = 408.68

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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.