Home / 2,836.05-4,247.92-1,372.13

Finding the Fourth Proportional to 2,836.05, 4,247.92 and 1,372.13

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Solution

The fourth proportional to 2,836.05, 4,247.92 and 1,372.13 is: 2,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.05 : 4,247.92 = 1,372.13 : x
  2. Step 2: Convert to fraction form
    2,836.05/4,247.92 = 1,372.13/x
  3. Step 3: Cross multiply
    2,836.05x = 4,247.92 × 1,372.13
  4. Step 4: Simplify right side
    2,836.05x = 5,828,698.47
  5. Step 5: Solve for x
    x = 5,828,698.47/2,836.05
  6. Step 6: Final answer
    x = 2,055.22

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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.