Home / 1,944.81-2,684.61-1,199.48

Finding the Fourth Proportional to 1,944.81, 2,684.61 and 1,199.48

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Solution

The fourth proportional to 1,944.81, 2,684.61 and 1,199.48 is: 1,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.81 : 2,684.61 = 1,199.48 : x
  2. Step 2: Convert to fraction form
    1,944.81/2,684.61 = 1,199.48/x
  3. Step 3: Cross multiply
    1,944.81x = 2,684.61 × 1,199.48
  4. Step 4: Simplify right side
    1,944.81x = 3,220,122.58
  5. Step 5: Solve for x
    x = 3,220,122.58/1,944.81
  6. Step 6: Final answer
    x = 1,655.75

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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.