Home / 3,980.77-5,496-2,723.92

Finding the Fourth Proportional to 3,980.77, 5,496 and 2,723.92

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Solution

The fourth proportional to 3,980.77, 5,496 and 2,723.92 is: 3,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980.77 : 5,496 = 2,723.92 : x
  2. Step 2: Convert to fraction form
    3,980.77/5,496 = 2,723.92/x
  3. Step 3: Cross multiply
    3,980.77x = 5,496 × 2,723.92
  4. Step 4: Simplify right side
    3,980.77x = 14,970,664.32
  5. Step 5: Solve for x
    x = 14,970,664.32/3,980.77
  6. Step 6: Final answer
    x = 3,760.75

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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.