Home / 3,777.70-5,213.31-2,285.32

Finding the Fourth Proportional to 3,777.70, 5,213.31 and 2,285.32

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Solution

The fourth proportional to 3,777.70, 5,213.31 and 2,285.32 is: 3,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.70 : 5,213.31 = 2,285.32 : x
  2. Step 2: Convert to fraction form
    3,777.70/5,213.31 = 2,285.32/x
  3. Step 3: Cross multiply
    3,777.70x = 5,213.31 × 2,285.32
  4. Step 4: Simplify right side
    3,777.70x = 11,914,081.61
  5. Step 5: Solve for x
    x = 11,914,081.61/3,777.70
  6. Step 6: Final answer
    x = 3,153.79

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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.