Home / 3,640.66-5,025.77-2,984.56

Finding the Fourth Proportional to 3,640.66, 5,025.77 and 2,984.56

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Solution

The fourth proportional to 3,640.66, 5,025.77 and 2,984.56 is: 4,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.66 : 5,025.77 = 2,984.56 : x
  2. Step 2: Convert to fraction form
    3,640.66/5,025.77 = 2,984.56/x
  3. Step 3: Cross multiply
    3,640.66x = 5,025.77 × 2,984.56
  4. Step 4: Simplify right side
    3,640.66x = 14,999,712.11
  5. Step 5: Solve for x
    x = 14,999,712.11/3,640.66
  6. Step 6: Final answer
    x = 4,120.05

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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.