Home / 3,302.34-4,960.80-2,821.20

Finding the Fourth Proportional to 3,302.34, 4,960.80 and 2,821.20

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Solution

The fourth proportional to 3,302.34, 4,960.80 and 2,821.20 is: 4,238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.34 : 4,960.80 = 2,821.20 : x
  2. Step 2: Convert to fraction form
    3,302.34/4,960.80 = 2,821.20/x
  3. Step 3: Cross multiply
    3,302.34x = 4,960.80 × 2,821.20
  4. Step 4: Simplify right side
    3,302.34x = 13,995,408.96
  5. Step 5: Solve for x
    x = 13,995,408.96/3,302.34
  6. Step 6: Final answer
    x = 4,238.03

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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.