Home / 3,798.38-5,242.26-2,226.47

Finding the Fourth Proportional to 3,798.38, 5,242.26 and 2,226.47

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Solution

The fourth proportional to 3,798.38, 5,242.26 and 2,226.47 is: 3,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.38 : 5,242.26 = 2,226.47 : x
  2. Step 2: Convert to fraction form
    3,798.38/5,242.26 = 2,226.47/x
  3. Step 3: Cross multiply
    3,798.38x = 5,242.26 × 2,226.47
  4. Step 4: Simplify right side
    3,798.38x = 11,671,708.41
  5. Step 5: Solve for x
    x = 11,671,708.41/3,798.38
  6. Step 6: Final answer
    x = 3,072.82

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1.5x scale

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.