Home / 3,664.29-5,057.37-2,778.60

Finding the Fourth Proportional to 3,664.29, 5,057.37 and 2,778.60

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Solution

The fourth proportional to 3,664.29, 5,057.37 and 2,778.60 is: 3,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.29 : 5,057.37 = 2,778.60 : x
  2. Step 2: Convert to fraction form
    3,664.29/5,057.37 = 2,778.60/x
  3. Step 3: Cross multiply
    3,664.29x = 5,057.37 × 2,778.60
  4. Step 4: Simplify right side
    3,664.29x = 14,052,408.28
  5. Step 5: Solve for x
    x = 14,052,408.28/3,664.29
  6. Step 6: Final answer
    x = 3,834.96

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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.