Home / 2,418.36-3,337.31-2,219.99

Finding the Fourth Proportional to 2,418.36, 3,337.31 and 2,219.99

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Solution

The fourth proportional to 2,418.36, 3,337.31 and 2,219.99 is: 3,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.36 : 3,337.31 = 2,219.99 : x
  2. Step 2: Convert to fraction form
    2,418.36/3,337.31 = 2,219.99/x
  3. Step 3: Cross multiply
    2,418.36x = 3,337.31 × 2,219.99
  4. Step 4: Simplify right side
    2,418.36x = 7,408,794.83
  5. Step 5: Solve for x
    x = 7,408,794.83/2,418.36
  6. Step 6: Final answer
    x = 3,063.56

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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.