Home / 2,698.34-4,047.92-1,382.85

Finding the Fourth Proportional to 2,698.34, 4,047.92 and 1,382.85

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Solution

The fourth proportional to 2,698.34, 4,047.92 and 1,382.85 is: 2,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.34 : 4,047.92 = 1,382.85 : x
  2. Step 2: Convert to fraction form
    2,698.34/4,047.92 = 1,382.85/x
  3. Step 3: Cross multiply
    2,698.34x = 4,047.92 × 1,382.85
  4. Step 4: Simplify right side
    2,698.34x = 5,597,669.63
  5. Step 5: Solve for x
    x = 5,597,669.63/2,698.34
  6. Step 6: Final answer
    x = 2,074.48

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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.