Home / 3,924.98-5,416.54-2,156.66

Finding the Fourth Proportional to 3,924.98, 5,416.54 and 2,156.66

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Solution

The fourth proportional to 3,924.98, 5,416.54 and 2,156.66 is: 2,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.98 : 5,416.54 = 2,156.66 : x
  2. Step 2: Convert to fraction form
    3,924.98/5,416.54 = 2,156.66/x
  3. Step 3: Cross multiply
    3,924.98x = 5,416.54 × 2,156.66
  4. Step 4: Simplify right side
    3,924.98x = 11,681,635.16
  5. Step 5: Solve for x
    x = 11,681,635.16/3,924.98
  6. Step 6: Final answer
    x = 2,976.23

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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.