Home / 3,836.57-5,756.47-2,279.54

Finding the Fourth Proportional to 3,836.57, 5,756.47 and 2,279.54

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Solution

The fourth proportional to 3,836.57, 5,756.47 and 2,279.54 is: 3,420.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.57 : 5,756.47 = 2,279.54 : x
  2. Step 2: Convert to fraction form
    3,836.57/5,756.47 = 2,279.54/x
  3. Step 3: Cross multiply
    3,836.57x = 5,756.47 × 2,279.54
  4. Step 4: Simplify right side
    3,836.57x = 13,122,112.32
  5. Step 5: Solve for x
    x = 13,122,112.32/3,836.57
  6. Step 6: Final answer
    x = 3,420.28

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1.5x scale

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.