Home / 2,338.98-3,511.92-1,563.78

Finding the Fourth Proportional to 2,338.98, 3,511.92 and 1,563.78

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Solution

The fourth proportional to 2,338.98, 3,511.92 and 1,563.78 is: 2,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.98 : 3,511.92 = 1,563.78 : x
  2. Step 2: Convert to fraction form
    2,338.98/3,511.92 = 1,563.78/x
  3. Step 3: Cross multiply
    2,338.98x = 3,511.92 × 1,563.78
  4. Step 4: Simplify right side
    2,338.98x = 5,491,870.26
  5. Step 5: Solve for x
    x = 5,491,870.26/2,338.98
  6. Step 6: Final answer
    x = 2,347.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.