Home / 2,290.62-3,163.68-1,508.16

Finding the Fourth Proportional to 2,290.62, 3,163.68 and 1,508.16

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Solution

The fourth proportional to 2,290.62, 3,163.68 and 1,508.16 is: 2,082.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.62 : 3,163.68 = 1,508.16 : x
  2. Step 2: Convert to fraction form
    2,290.62/3,163.68 = 1,508.16/x
  3. Step 3: Cross multiply
    2,290.62x = 3,163.68 × 1,508.16
  4. Step 4: Simplify right side
    2,290.62x = 4,771,335.63
  5. Step 5: Solve for x
    x = 4,771,335.63/2,290.62
  6. Step 6: Final answer
    x = 2,082.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.