Home / 1,522.08-2,292.48-1,388.88

Finding the Fourth Proportional to 1,522.08, 2,292.48 and 1,388.88

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Solution

The fourth proportional to 1,522.08, 2,292.48 and 1,388.88 is: 2,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522.08 : 2,292.48 = 1,388.88 : x
  2. Step 2: Convert to fraction form
    1,522.08/2,292.48 = 1,388.88/x
  3. Step 3: Cross multiply
    1,522.08x = 2,292.48 × 1,388.88
  4. Step 4: Simplify right side
    1,522.08x = 3,183,979.62
  5. Step 5: Solve for x
    x = 3,183,979.62/1,522.08
  6. Step 6: Final answer
    x = 2,091.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.