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Finding the Fourth Proportional to 2,472.44, 3,409.40 and 2,119.59

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Solution

The fourth proportional to 2,472.44, 3,409.40 and 2,119.59 is: 2,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.44 : 3,409.40 = 2,119.59 : x
  2. Step 2: Convert to fraction form
    2,472.44/3,409.40 = 2,119.59/x
  3. Step 3: Cross multiply
    2,472.44x = 3,409.40 × 2,119.59
  4. Step 4: Simplify right side
    2,472.44x = 7,226,513.10
  5. Step 5: Solve for x
    x = 7,226,513.10/2,472.44
  6. Step 6: Final answer
    x = 2,922.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.