Home / 3,690.56-5,092.98-2,118.96

Finding the Fourth Proportional to 3,690.56, 5,092.98 and 2,118.96

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Solution

The fourth proportional to 3,690.56, 5,092.98 and 2,118.96 is: 2,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.56 : 5,092.98 = 2,118.96 : x
  2. Step 2: Convert to fraction form
    3,690.56/5,092.98 = 2,118.96/x
  3. Step 3: Cross multiply
    3,690.56x = 5,092.98 × 2,118.96
  4. Step 4: Simplify right side
    3,690.56x = 10,791,812.95
  5. Step 5: Solve for x
    x = 10,791,812.95/3,690.56
  6. Step 6: Final answer
    x = 2,924.16

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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.