Home / 3,103.62-4,273.16-2,630.48

Finding the Fourth Proportional to 3,103.62, 4,273.16 and 2,630.48

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Solution

The fourth proportional to 3,103.62, 4,273.16 and 2,630.48 is: 3,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.62 : 4,273.16 = 2,630.48 : x
  2. Step 2: Convert to fraction form
    3,103.62/4,273.16 = 2,630.48/x
  3. Step 3: Cross multiply
    3,103.62x = 4,273.16 × 2,630.48
  4. Step 4: Simplify right side
    3,103.62x = 11,240,427.40
  5. Step 5: Solve for x
    x = 11,240,427.40/3,103.62
  6. Step 6: Final answer
    x = 3,621.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.