Home / 2,829.82-4,247.34-2,040

Finding the Fourth Proportional to 2,829.82, 4,247.34 and 2,040

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Solution

The fourth proportional to 2,829.82, 4,247.34 and 2,040 is: 3,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.82 : 4,247.34 = 2,040 : x
  2. Step 2: Convert to fraction form
    2,829.82/4,247.34 = 2,040/x
  3. Step 3: Cross multiply
    2,829.82x = 4,247.34 × 2,040
  4. Step 4: Simplify right side
    2,829.82x = 8,664,573.60
  5. Step 5: Solve for x
    x = 8,664,573.60/2,829.82
  6. Step 6: Final answer
    x = 3,061.88

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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.