Home / 3,611.50-4,983.92-2,119.45

Finding the Fourth Proportional to 3,611.50, 4,983.92 and 2,119.45

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Solution

The fourth proportional to 3,611.50, 4,983.92 and 2,119.45 is: 2,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.50 : 4,983.92 = 2,119.45 : x
  2. Step 2: Convert to fraction form
    3,611.50/4,983.92 = 2,119.45/x
  3. Step 3: Cross multiply
    3,611.50x = 4,983.92 × 2,119.45
  4. Step 4: Simplify right side
    3,611.50x = 10,563,169.24
  5. Step 5: Solve for x
    x = 10,563,169.24/3,611.50
  6. Step 6: Final answer
    x = 2,924.87

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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.