Home / 3,777.39-5,211.96-2,285.28

Finding the Fourth Proportional to 3,777.39, 5,211.96 and 2,285.28

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Solution

The fourth proportional to 3,777.39, 5,211.96 and 2,285.28 is: 3,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.39 : 5,211.96 = 2,285.28 : x
  2. Step 2: Convert to fraction form
    3,777.39/5,211.96 = 2,285.28/x
  3. Step 3: Cross multiply
    3,777.39x = 5,211.96 × 2,285.28
  4. Step 4: Simplify right side
    3,777.39x = 11,910,787.95
  5. Step 5: Solve for x
    x = 11,910,787.95/3,777.39
  6. Step 6: Final answer
    x = 3,153.18

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1.5x scale

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.