Home / 2,935.49-4,399.13-2,109.89

Finding the Fourth Proportional to 2,935.49, 4,399.13 and 2,109.89

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Solution

The fourth proportional to 2,935.49, 4,399.13 and 2,109.89 is: 3,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.49 : 4,399.13 = 2,109.89 : x
  2. Step 2: Convert to fraction form
    2,935.49/4,399.13 = 2,109.89/x
  3. Step 3: Cross multiply
    2,935.49x = 4,399.13 × 2,109.89
  4. Step 4: Simplify right side
    2,935.49x = 9,281,669.85
  5. Step 5: Solve for x
    x = 9,281,669.85/2,935.49
  6. Step 6: Final answer
    x = 3,161.88

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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.