Home / 2,079.98-3,120.87-1,104.94

Finding the Fourth Proportional to 2,079.98, 3,120.87 and 1,104.94

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Solution

The fourth proportional to 2,079.98, 3,120.87 and 1,104.94 is: 1,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.98 : 3,120.87 = 1,104.94 : x
  2. Step 2: Convert to fraction form
    2,079.98/3,120.87 = 1,104.94/x
  3. Step 3: Cross multiply
    2,079.98x = 3,120.87 × 1,104.94
  4. Step 4: Simplify right side
    2,079.98x = 3,448,358.49
  5. Step 5: Solve for x
    x = 3,448,358.49/2,079.98
  6. Step 6: Final answer
    x = 1,657.88

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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.