Home / 3,845.12-5,765.16-1,533.92

Finding the Fourth Proportional to 3,845.12, 5,765.16 and 1,533.92

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Solution

The fourth proportional to 3,845.12, 5,765.16 and 1,533.92 is: 2,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.12 : 5,765.16 = 1,533.92 : x
  2. Step 2: Convert to fraction form
    3,845.12/5,765.16 = 1,533.92/x
  3. Step 3: Cross multiply
    3,845.12x = 5,765.16 × 1,533.92
  4. Step 4: Simplify right side
    3,845.12x = 8,843,294.23
  5. Step 5: Solve for x
    x = 8,843,294.23/3,845.12
  6. Step 6: Final answer
    x = 2,299.87

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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.