Home / 2,607.27-3,910.87-1,127.54

Finding the Fourth Proportional to 2,607.27, 3,910.87 and 1,127.54

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Solution

The fourth proportional to 2,607.27, 3,910.87 and 1,127.54 is: 1,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.27 : 3,910.87 = 1,127.54 : x
  2. Step 2: Convert to fraction form
    2,607.27/3,910.87 = 1,127.54/x
  3. Step 3: Cross multiply
    2,607.27x = 3,910.87 × 1,127.54
  4. Step 4: Simplify right side
    2,607.27x = 4,409,662.36
  5. Step 5: Solve for x
    x = 4,409,662.36/2,607.27
  6. Step 6: Final answer
    x = 1,691.29

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1.5x scale

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.