Home / 2,399.10-3,310.92-1,808.70

Finding the Fourth Proportional to 2,399.10, 3,310.92 and 1,808.70

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Solution

The fourth proportional to 2,399.10, 3,310.92 and 1,808.70 is: 2,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.10 : 3,310.92 = 1,808.70 : x
  2. Step 2: Convert to fraction form
    2,399.10/3,310.92 = 1,808.70/x
  3. Step 3: Cross multiply
    2,399.10x = 3,310.92 × 1,808.70
  4. Step 4: Simplify right side
    2,399.10x = 5,988,461.00
  5. Step 5: Solve for x
    x = 5,988,461.00/2,399.10
  6. Step 6: Final answer
    x = 2,496.13

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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.