Home / 3,995.19-5,995.45-1,398.13

Finding the Fourth Proportional to 3,995.19, 5,995.45 and 1,398.13

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Solution

The fourth proportional to 3,995.19, 5,995.45 and 1,398.13 is: 2,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.19 : 5,995.45 = 1,398.13 : x
  2. Step 2: Convert to fraction form
    3,995.19/5,995.45 = 1,398.13/x
  3. Step 3: Cross multiply
    3,995.19x = 5,995.45 × 1,398.13
  4. Step 4: Simplify right side
    3,995.19x = 8,382,405.27
  5. Step 5: Solve for x
    x = 8,382,405.27/3,995.19
  6. Step 6: Final answer
    x = 2,098.12

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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.