Home / 2,479.05-3,719.23-2,206.99

Finding the Fourth Proportional to 2,479.05, 3,719.23 and 2,206.99

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Solution

The fourth proportional to 2,479.05, 3,719.23 and 2,206.99 is: 3,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.05 : 3,719.23 = 2,206.99 : x
  2. Step 2: Convert to fraction form
    2,479.05/3,719.23 = 2,206.99/x
  3. Step 3: Cross multiply
    2,479.05x = 3,719.23 × 2,206.99
  4. Step 4: Simplify right side
    2,479.05x = 8,208,288.60
  5. Step 5: Solve for x
    x = 8,208,288.60/2,479.05
  6. Step 6: Final answer
    x = 3,311.06

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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.