Home / 3,798.28-5,241.95-2,790.37

Finding the Fourth Proportional to 3,798.28, 5,241.95 and 2,790.37

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Solution

The fourth proportional to 3,798.28, 5,241.95 and 2,790.37 is: 3,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.28 : 5,241.95 = 2,790.37 : x
  2. Step 2: Convert to fraction form
    3,798.28/5,241.95 = 2,790.37/x
  3. Step 3: Cross multiply
    3,798.28x = 5,241.95 × 2,790.37
  4. Step 4: Simplify right side
    3,798.28x = 14,626,980.02
  5. Step 5: Solve for x
    x = 14,626,980.02/3,798.28
  6. Step 6: Final answer
    x = 3,850.95

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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.