Home / 2,746.20-4,121.64-1,103.88

Finding the Fourth Proportional to 2,746.20, 4,121.64 and 1,103.88

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Solution

The fourth proportional to 2,746.20, 4,121.64 and 1,103.88 is: 1,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.20 : 4,121.64 = 1,103.88 : x
  2. Step 2: Convert to fraction form
    2,746.20/4,121.64 = 1,103.88/x
  3. Step 3: Cross multiply
    2,746.20x = 4,121.64 × 1,103.88
  4. Step 4: Simplify right side
    2,746.20x = 4,549,795.96
  5. Step 5: Solve for x
    x = 4,549,795.96/2,746.20
  6. Step 6: Final answer
    x = 1,656.76

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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.