Home / 2,610.68-3,913.82-1,786.92

Finding the Fourth Proportional to 2,610.68, 3,913.82 and 1,786.92

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Solution

The fourth proportional to 2,610.68, 3,913.82 and 1,786.92 is: 2,678.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.68 : 3,913.82 = 1,786.92 : x
  2. Step 2: Convert to fraction form
    2,610.68/3,913.82 = 1,786.92/x
  3. Step 3: Cross multiply
    2,610.68x = 3,913.82 × 1,786.92
  4. Step 4: Simplify right side
    2,610.68x = 6,993,683.23
  5. Step 5: Solve for x
    x = 6,993,683.23/2,610.68
  6. Step 6: Final answer
    x = 2,678.87

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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.