Home / 3,101.62-4,277.64-2,630.74

Finding the Fourth Proportional to 3,101.62, 4,277.64 and 2,630.74

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Solution

The fourth proportional to 3,101.62, 4,277.64 and 2,630.74 is: 3,628.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.62 : 4,277.64 = 2,630.74 : x
  2. Step 2: Convert to fraction form
    3,101.62/4,277.64 = 2,630.74/x
  3. Step 3: Cross multiply
    3,101.62x = 4,277.64 × 2,630.74
  4. Step 4: Simplify right side
    3,101.62x = 11,253,358.65
  5. Step 5: Solve for x
    x = 11,253,358.65/3,101.62
  6. Step 6: Final answer
    x = 3,628.22

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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.