Home / 1,944.40-2,677.08-1,811.92

Finding the Fourth Proportional to 1,944.40, 2,677.08 and 1,811.92

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Solution

The fourth proportional to 1,944.40, 2,677.08 and 1,811.92 is: 2,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.40 : 2,677.08 = 1,811.92 : x
  2. Step 2: Convert to fraction form
    1,944.40/2,677.08 = 1,811.92/x
  3. Step 3: Cross multiply
    1,944.40x = 2,677.08 × 1,811.92
  4. Step 4: Simplify right side
    1,944.40x = 4,850,654.79
  5. Step 5: Solve for x
    x = 4,850,654.79/1,944.40
  6. Step 6: Final answer
    x = 2,494.68

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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.