Home / 3,777.54-5,213.50-2,285.52

Finding the Fourth Proportional to 3,777.54, 5,213.50 and 2,285.52

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Solution

The fourth proportional to 3,777.54, 5,213.50 and 2,285.52 is: 3,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.54 : 5,213.50 = 2,285.52 : x
  2. Step 2: Convert to fraction form
    3,777.54/5,213.50 = 2,285.52/x
  3. Step 3: Cross multiply
    3,777.54x = 5,213.50 × 2,285.52
  4. Step 4: Simplify right side
    3,777.54x = 11,915,558.52
  5. Step 5: Solve for x
    x = 11,915,558.52/3,777.54
  6. Step 6: Final answer
    x = 3,154.32

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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.