Home / 2,110.08-3,165.28-649.38

Finding the Fourth Proportional to 2,110.08, 3,165.28 and 649.38

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Solution

The fourth proportional to 2,110.08, 3,165.28 and 649.38 is: 974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.08 : 3,165.28 = 649.38 : x
  2. Step 2: Convert to fraction form
    2,110.08/3,165.28 = 649.38/x
  3. Step 3: Cross multiply
    2,110.08x = 3,165.28 × 649.38
  4. Step 4: Simplify right side
    2,110.08x = 2,055,469.53
  5. Step 5: Solve for x
    x = 2,055,469.53/2,110.08
  6. Step 6: Final answer
    x = 974.12

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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.