Home / 3,744.23-5,611.93-2,816.78

Finding the Fourth Proportional to 3,744.23, 5,611.93 and 2,816.78

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Solution

The fourth proportional to 3,744.23, 5,611.93 and 2,816.78 is: 4,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.23 : 5,611.93 = 2,816.78 : x
  2. Step 2: Convert to fraction form
    3,744.23/5,611.93 = 2,816.78/x
  3. Step 3: Cross multiply
    3,744.23x = 5,611.93 × 2,816.78
  4. Step 4: Simplify right side
    3,744.23x = 15,807,552.93
  5. Step 5: Solve for x
    x = 15,807,552.93/3,744.23
  6. Step 6: Final answer
    x = 4,221.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.