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Finding the Fourth Proportional to 3,810.78, 5,697.38 and 3,232.24

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Solution

The fourth proportional to 3,810.78, 5,697.38 and 3,232.24 is: 4,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.78 : 5,697.38 = 3,232.24 : x
  2. Step 2: Convert to fraction form
    3,810.78/5,697.38 = 3,232.24/x
  3. Step 3: Cross multiply
    3,810.78x = 5,697.38 × 3,232.24
  4. Step 4: Simplify right side
    3,810.78x = 18,415,299.53
  5. Step 5: Solve for x
    x = 18,415,299.53/3,810.78
  6. Step 6: Final answer
    x = 4,832.42

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1.5x scale

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.