Home / 2,624.16-3,936.87-2,156.42

Finding the Fourth Proportional to 2,624.16, 3,936.87 and 2,156.42

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Solution

The fourth proportional to 2,624.16, 3,936.87 and 2,156.42 is: 3,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.16 : 3,936.87 = 2,156.42 : x
  2. Step 2: Convert to fraction form
    2,624.16/3,936.87 = 2,156.42/x
  3. Step 3: Cross multiply
    2,624.16x = 3,936.87 × 2,156.42
  4. Step 4: Simplify right side
    2,624.16x = 8,489,555.05
  5. Step 5: Solve for x
    x = 8,489,555.05/2,624.16
  6. Step 6: Final answer
    x = 3,235.15

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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.