Home / 3,299.69-4,950.09-1,219.70

Finding the Fourth Proportional to 3,299.69, 4,950.09 and 1,219.70

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Solution

The fourth proportional to 3,299.69, 4,950.09 and 1,219.70 is: 1,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.69 : 4,950.09 = 1,219.70 : x
  2. Step 2: Convert to fraction form
    3,299.69/4,950.09 = 1,219.70/x
  3. Step 3: Cross multiply
    3,299.69x = 4,950.09 × 1,219.70
  4. Step 4: Simplify right side
    3,299.69x = 6,037,624.77
  5. Step 5: Solve for x
    x = 6,037,624.77/3,299.69
  6. Step 6: Final answer
    x = 1,829.76

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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.