Home / 3,984.77-5,499.11-2,192.32

Finding the Fourth Proportional to 3,984.77, 5,499.11 and 2,192.32

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Solution

The fourth proportional to 3,984.77, 5,499.11 and 2,192.32 is: 3,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.77 : 5,499.11 = 2,192.32 : x
  2. Step 2: Convert to fraction form
    3,984.77/5,499.11 = 2,192.32/x
  3. Step 3: Cross multiply
    3,984.77x = 5,499.11 × 2,192.32
  4. Step 4: Simplify right side
    3,984.77x = 12,055,792.35
  5. Step 5: Solve for x
    x = 12,055,792.35/3,984.77
  6. Step 6: Final answer
    x = 3,025.47

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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.