Home / 4,231.91-5,840.67-2,638.81

Finding the Fourth Proportional to 4,231.91, 5,840.67 and 2,638.81

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Solution

The fourth proportional to 4,231.91, 5,840.67 and 2,638.81 is: 3,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.91 : 5,840.67 = 2,638.81 : x
  2. Step 2: Convert to fraction form
    4,231.91/5,840.67 = 2,638.81/x
  3. Step 3: Cross multiply
    4,231.91x = 5,840.67 × 2,638.81
  4. Step 4: Simplify right side
    4,231.91x = 15,412,435.60
  5. Step 5: Solve for x
    x = 15,412,435.60/4,231.91
  6. Step 6: Final answer
    x = 3,641.96

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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.