Home / 3,222.45-4,445.67-2,103

Finding the Fourth Proportional to 3,222.45, 4,445.67 and 2,103

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Solution

The fourth proportional to 3,222.45, 4,445.67 and 2,103 is: 2,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.45 : 4,445.67 = 2,103 : x
  2. Step 2: Convert to fraction form
    3,222.45/4,445.67 = 2,103/x
  3. Step 3: Cross multiply
    3,222.45x = 4,445.67 × 2,103
  4. Step 4: Simplify right side
    3,222.45x = 9,349,244.01
  5. Step 5: Solve for x
    x = 9,349,244.01/3,222.45
  6. Step 6: Final answer
    x = 2,901.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.