Home / 3,098.35-4,647.53-2,178.03

Finding the Fourth Proportional to 3,098.35, 4,647.53 and 2,178.03

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Solution

The fourth proportional to 3,098.35, 4,647.53 and 2,178.03 is: 3,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.35 : 4,647.53 = 2,178.03 : x
  2. Step 2: Convert to fraction form
    3,098.35/4,647.53 = 2,178.03/x
  3. Step 3: Cross multiply
    3,098.35x = 4,647.53 × 2,178.03
  4. Step 4: Simplify right side
    3,098.35x = 10,122,443.43
  5. Step 5: Solve for x
    x = 10,122,443.43/3,098.35
  6. Step 6: Final answer
    x = 3,267.04

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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.