Home / 3,101.72-4,276.87-2,260.94

Finding the Fourth Proportional to 3,101.72, 4,276.87 and 2,260.94

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Solution

The fourth proportional to 3,101.72, 4,276.87 and 2,260.94 is: 3,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.72 : 4,276.87 = 2,260.94 : x
  2. Step 2: Convert to fraction form
    3,101.72/4,276.87 = 2,260.94/x
  3. Step 3: Cross multiply
    3,101.72x = 4,276.87 × 2,260.94
  4. Step 4: Simplify right side
    3,101.72x = 9,669,719.42
  5. Step 5: Solve for x
    x = 9,669,719.42/3,101.72
  6. Step 6: Final answer
    x = 3,117.54

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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.