Home / 3,840.45-5,299.82-2,248.19

Finding the Fourth Proportional to 3,840.45, 5,299.82 and 2,248.19

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Solution

The fourth proportional to 3,840.45, 5,299.82 and 2,248.19 is: 3,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.45 : 5,299.82 = 2,248.19 : x
  2. Step 2: Convert to fraction form
    3,840.45/5,299.82 = 2,248.19/x
  3. Step 3: Cross multiply
    3,840.45x = 5,299.82 × 2,248.19
  4. Step 4: Simplify right side
    3,840.45x = 11,915,002.33
  5. Step 5: Solve for x
    x = 11,915,002.33/3,840.45
  6. Step 6: Final answer
    x = 3,102.50

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Double scale
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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.