Home / 2,746.92-4,120.57-1,103.47

Finding the Fourth Proportional to 2,746.92, 4,120.57 and 1,103.47

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Solution

The fourth proportional to 2,746.92, 4,120.57 and 1,103.47 is: 1,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.92 : 4,120.57 = 1,103.47 : x
  2. Step 2: Convert to fraction form
    2,746.92/4,120.57 = 1,103.47/x
  3. Step 3: Cross multiply
    2,746.92x = 4,120.57 × 1,103.47
  4. Step 4: Simplify right side
    2,746.92x = 4,546,904.78
  5. Step 5: Solve for x
    x = 4,546,904.78/2,746.92
  6. Step 6: Final answer
    x = 1,655.27

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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.