Home / 1,468.62-2,201.44-921.18

Finding the Fourth Proportional to 1,468.62, 2,201.44 and 921.18

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Solution

The fourth proportional to 1,468.62, 2,201.44 and 921.18 is: 1,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.62 : 2,201.44 = 921.18 : x
  2. Step 2: Convert to fraction form
    1,468.62/2,201.44 = 921.18/x
  3. Step 3: Cross multiply
    1,468.62x = 2,201.44 × 921.18
  4. Step 4: Simplify right side
    1,468.62x = 2,027,922.50
  5. Step 5: Solve for x
    x = 2,027,922.50/1,468.62
  6. Step 6: Final answer
    x = 1,380.84

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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.