Home / 2,110.43-3,165.37-649.46

Finding the Fourth Proportional to 2,110.43, 3,165.37 and 649.46

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Solution

The fourth proportional to 2,110.43, 3,165.37 and 649.46 is: 974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.43 : 3,165.37 = 649.46 : x
  2. Step 2: Convert to fraction form
    2,110.43/3,165.37 = 649.46/x
  3. Step 3: Cross multiply
    2,110.43x = 3,165.37 × 649.46
  4. Step 4: Simplify right side
    2,110.43x = 2,055,787.49
  5. Step 5: Solve for x
    x = 2,055,787.49/2,110.43
  6. Step 6: Final answer
    x = 974.11

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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.