Home / 3,726.60-5,142.84-2,469.84

Finding the Fourth Proportional to 3,726.60, 5,142.84 and 2,469.84

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Solution

The fourth proportional to 3,726.60, 5,142.84 and 2,469.84 is: 3,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.60 : 5,142.84 = 2,469.84 : x
  2. Step 2: Convert to fraction form
    3,726.60/5,142.84 = 2,469.84/x
  3. Step 3: Cross multiply
    3,726.60x = 5,142.84 × 2,469.84
  4. Step 4: Simplify right side
    3,726.60x = 12,701,991.95
  5. Step 5: Solve for x
    x = 12,701,991.95/3,726.60
  6. Step 6: Final answer
    x = 3,408.47

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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.