Home / 2,747.04-4,120.02-1,102.74

Finding the Fourth Proportional to 2,747.04, 4,120.02 and 1,102.74

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Solution

The fourth proportional to 2,747.04, 4,120.02 and 1,102.74 is: 1,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.04 : 4,120.02 = 1,102.74 : x
  2. Step 2: Convert to fraction form
    2,747.04/4,120.02 = 1,102.74/x
  3. Step 3: Cross multiply
    2,747.04x = 4,120.02 × 1,102.74
  4. Step 4: Simplify right side
    2,747.04x = 4,543,310.85
  5. Step 5: Solve for x
    x = 4,543,310.85/2,747.04
  6. Step 6: Final answer
    x = 1,653.89

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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.