Home / 2,747.95-4,121.72-1,103.34

Finding the Fourth Proportional to 2,747.95, 4,121.72 and 1,103.34

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Solution

The fourth proportional to 2,747.95, 4,121.72 and 1,103.34 is: 1,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.95 : 4,121.72 = 1,103.34 : x
  2. Step 2: Convert to fraction form
    2,747.95/4,121.72 = 1,103.34/x
  3. Step 3: Cross multiply
    2,747.95x = 4,121.72 × 1,103.34
  4. Step 4: Simplify right side
    2,747.95x = 4,547,672.62
  5. Step 5: Solve for x
    x = 4,547,672.62/2,747.95
  6. Step 6: Final answer
    x = 1,654.93

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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.