Home / 3,253-4,869.03-2,143.34

Finding the Fourth Proportional to 3,253, 4,869.03 and 2,143.34

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Solution

The fourth proportional to 3,253, 4,869.03 and 2,143.34 is: 3,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253 : 4,869.03 = 2,143.34 : x
  2. Step 2: Convert to fraction form
    3,253/4,869.03 = 2,143.34/x
  3. Step 3: Cross multiply
    3,253x = 4,869.03 × 2,143.34
  4. Step 4: Simplify right side
    3,253x = 10,435,951.70
  5. Step 5: Solve for x
    x = 10,435,951.70/3,253
  6. Step 6: Final answer
    x = 3,208.10

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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.