Home / 3,486.23-5,225.70-2,169.98

Finding the Fourth Proportional to 3,486.23, 5,225.70 and 2,169.98

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Solution

The fourth proportional to 3,486.23, 5,225.70 and 2,169.98 is: 3,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.23 : 5,225.70 = 2,169.98 : x
  2. Step 2: Convert to fraction form
    3,486.23/5,225.70 = 2,169.98/x
  3. Step 3: Cross multiply
    3,486.23x = 5,225.70 × 2,169.98
  4. Step 4: Simplify right side
    3,486.23x = 11,339,664.49
  5. Step 5: Solve for x
    x = 11,339,664.49/3,486.23
  6. Step 6: Final answer
    x = 3,252.70

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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.