Home / 1,521.37-2,282.07-481.36

Finding the Fourth Proportional to 1,521.37, 2,282.07 and 481.36

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Solution

The fourth proportional to 1,521.37, 2,282.07 and 481.36 is: 722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521.37 : 2,282.07 = 481.36 : x
  2. Step 2: Convert to fraction form
    1,521.37/2,282.07 = 481.36/x
  3. Step 3: Cross multiply
    1,521.37x = 2,282.07 × 481.36
  4. Step 4: Simplify right side
    1,521.37x = 1,098,487.61
  5. Step 5: Solve for x
    x = 1,098,487.61/1,521.37
  6. Step 6: Final answer
    x = 722.04

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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.