Home / 2,264.22-3,385.23-1,921.39

Finding the Fourth Proportional to 2,264.22, 3,385.23 and 1,921.39

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Solution

The fourth proportional to 2,264.22, 3,385.23 and 1,921.39 is: 2,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.22 : 3,385.23 = 1,921.39 : x
  2. Step 2: Convert to fraction form
    2,264.22/3,385.23 = 1,921.39/x
  3. Step 3: Cross multiply
    2,264.22x = 3,385.23 × 1,921.39
  4. Step 4: Simplify right side
    2,264.22x = 6,504,331.40
  5. Step 5: Solve for x
    x = 6,504,331.40/2,264.22
  6. Step 6: Final answer
    x = 2,872.66

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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.