Home / 4,231.82-5,837.10-2,639.18

Finding the Fourth Proportional to 4,231.82, 5,837.10 and 2,639.18

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Solution

The fourth proportional to 4,231.82, 5,837.10 and 2,639.18 is: 3,640.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.82 : 5,837.10 = 2,639.18 : x
  2. Step 2: Convert to fraction form
    4,231.82/5,837.10 = 2,639.18/x
  3. Step 3: Cross multiply
    4,231.82x = 5,837.10 × 2,639.18
  4. Step 4: Simplify right side
    4,231.82x = 15,405,157.58
  5. Step 5: Solve for x
    x = 15,405,157.58/4,231.82
  6. Step 6: Final answer
    x = 3,640.31

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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.