Home / 2,746.06-4,121.42-1,103.72

Finding the Fourth Proportional to 2,746.06, 4,121.42 and 1,103.72

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Solution

The fourth proportional to 2,746.06, 4,121.42 and 1,103.72 is: 1,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.06 : 4,121.42 = 1,103.72 : x
  2. Step 2: Convert to fraction form
    2,746.06/4,121.42 = 1,103.72/x
  3. Step 3: Cross multiply
    2,746.06x = 4,121.42 × 1,103.72
  4. Step 4: Simplify right side
    2,746.06x = 4,548,896.44
  5. Step 5: Solve for x
    x = 4,548,896.44/2,746.06
  6. Step 6: Final answer
    x = 1,656.52

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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.