Home / 1,944.55-2,922.90-1,908.10

Finding the Fourth Proportional to 1,944.55, 2,922.90 and 1,908.10

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Solution

The fourth proportional to 1,944.55, 2,922.90 and 1,908.10 is: 2,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.55 : 2,922.90 = 1,908.10 : x
  2. Step 2: Convert to fraction form
    1,944.55/2,922.90 = 1,908.10/x
  3. Step 3: Cross multiply
    1,944.55x = 2,922.90 × 1,908.10
  4. Step 4: Simplify right side
    1,944.55x = 5,577,185.49
  5. Step 5: Solve for x
    x = 5,577,185.49/1,944.55
  6. Step 6: Final answer
    x = 2,868.11

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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.