Home / 3,106.16-4,660.68-1,952.72

Finding the Fourth Proportional to 3,106.16, 4,660.68 and 1,952.72

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Solution

The fourth proportional to 3,106.16, 4,660.68 and 1,952.72 is: 2,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.16 : 4,660.68 = 1,952.72 : x
  2. Step 2: Convert to fraction form
    3,106.16/4,660.68 = 1,952.72/x
  3. Step 3: Cross multiply
    3,106.16x = 4,660.68 × 1,952.72
  4. Step 4: Simplify right side
    3,106.16x = 9,101,003.05
  5. Step 5: Solve for x
    x = 9,101,003.05/3,106.16
  6. Step 6: Final answer
    x = 2,929.99

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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.