Home / 3,299.58-4,951.62-2,129.58

Finding the Fourth Proportional to 3,299.58, 4,951.62 and 2,129.58

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Solution

The fourth proportional to 3,299.58, 4,951.62 and 2,129.58 is: 3,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.58 : 4,951.62 = 2,129.58 : x
  2. Step 2: Convert to fraction form
    3,299.58/4,951.62 = 2,129.58/x
  3. Step 3: Cross multiply
    3,299.58x = 4,951.62 × 2,129.58
  4. Step 4: Simplify right side
    3,299.58x = 10,544,870.92
  5. Step 5: Solve for x
    x = 10,544,870.92/3,299.58
  6. Step 6: Final answer
    x = 3,195.82

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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.