Home / 3,329.65-4,991.57-1,249.10

Finding the Fourth Proportional to 3,329.65, 4,991.57 and 1,249.10

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Solution

The fourth proportional to 3,329.65, 4,991.57 and 1,249.10 is: 1,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.65 : 4,991.57 = 1,249.10 : x
  2. Step 2: Convert to fraction form
    3,329.65/4,991.57 = 1,249.10/x
  3. Step 3: Cross multiply
    3,329.65x = 4,991.57 × 1,249.10
  4. Step 4: Simplify right side
    3,329.65x = 6,234,970.09
  5. Step 5: Solve for x
    x = 6,234,970.09/3,329.65
  6. Step 6: Final answer
    x = 1,872.56

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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.