Home / 2,438.70-3,365.19-1,443.98

Finding the Fourth Proportional to 2,438.70, 3,365.19 and 1,443.98

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Solution

The fourth proportional to 2,438.70, 3,365.19 and 1,443.98 is: 1,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.70 : 3,365.19 = 1,443.98 : x
  2. Step 2: Convert to fraction form
    2,438.70/3,365.19 = 1,443.98/x
  3. Step 3: Cross multiply
    2,438.70x = 3,365.19 × 1,443.98
  4. Step 4: Simplify right side
    2,438.70x = 4,859,267.06
  5. Step 5: Solve for x
    x = 4,859,267.06/2,438.70
  6. Step 6: Final answer
    x = 1,992.56

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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.