Home / 3,640.31-5,023.46-2,226.35

Finding the Fourth Proportional to 3,640.31, 5,023.46 and 2,226.35

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Solution

The fourth proportional to 3,640.31, 5,023.46 and 2,226.35 is: 3,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.31 : 5,023.46 = 2,226.35 : x
  2. Step 2: Convert to fraction form
    3,640.31/5,023.46 = 2,226.35/x
  3. Step 3: Cross multiply
    3,640.31x = 5,023.46 × 2,226.35
  4. Step 4: Simplify right side
    3,640.31x = 11,183,943.92
  5. Step 5: Solve for x
    x = 11,183,943.92/3,640.31
  6. Step 6: Final answer
    x = 3,072.25

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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.