Home / 4,231.22-6,343.38-2,840.31

Finding the Fourth Proportional to 4,231.22, 6,343.38 and 2,840.31

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Solution

The fourth proportional to 4,231.22, 6,343.38 and 2,840.31 is: 4,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.22 : 6,343.38 = 2,840.31 : x
  2. Step 2: Convert to fraction form
    4,231.22/6,343.38 = 2,840.31/x
  3. Step 3: Cross multiply
    4,231.22x = 6,343.38 × 2,840.31
  4. Step 4: Simplify right side
    4,231.22x = 18,017,165.65
  5. Step 5: Solve for x
    x = 18,017,165.65/4,231.22
  6. Step 6: Final answer
    x = 4,258.15

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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.