Home / 2,975.13-4,469.54-2,099.65

Finding the Fourth Proportional to 2,975.13, 4,469.54 and 2,099.65

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Solution

The fourth proportional to 2,975.13, 4,469.54 and 2,099.65 is: 3,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.13 : 4,469.54 = 2,099.65 : x
  2. Step 2: Convert to fraction form
    2,975.13/4,469.54 = 2,099.65/x
  3. Step 3: Cross multiply
    2,975.13x = 4,469.54 × 2,099.65
  4. Step 4: Simplify right side
    2,975.13x = 9,384,447.99
  5. Step 5: Solve for x
    x = 9,384,447.99/2,975.13
  6. Step 6: Final answer
    x = 3,154.30

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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.