Home / 3,086.91-4,631.38-1,006.99

Finding the Fourth Proportional to 3,086.91, 4,631.38 and 1,006.99

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Solution

The fourth proportional to 3,086.91, 4,631.38 and 1,006.99 is: 1,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.91 : 4,631.38 = 1,006.99 : x
  2. Step 2: Convert to fraction form
    3,086.91/4,631.38 = 1,006.99/x
  3. Step 3: Cross multiply
    3,086.91x = 4,631.38 × 1,006.99
  4. Step 4: Simplify right side
    3,086.91x = 4,663,739.25
  5. Step 5: Solve for x
    x = 4,663,739.25/3,086.91
  6. Step 6: Final answer
    x = 1,510.81

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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.