Home / 3,479.14-4,800.63-2,299.78

Finding the Fourth Proportional to 3,479.14, 4,800.63 and 2,299.78

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Solution

The fourth proportional to 3,479.14, 4,800.63 and 2,299.78 is: 3,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.14 : 4,800.63 = 2,299.78 : x
  2. Step 2: Convert to fraction form
    3,479.14/4,800.63 = 2,299.78/x
  3. Step 3: Cross multiply
    3,479.14x = 4,800.63 × 2,299.78
  4. Step 4: Simplify right side
    3,479.14x = 11,040,392.86
  5. Step 5: Solve for x
    x = 11,040,392.86/3,479.14
  6. Step 6: Final answer
    x = 3,173.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.