Home / 2,379.12-3,552.49-2,099.14

Finding the Fourth Proportional to 2,379.12, 3,552.49 and 2,099.14

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Solution

The fourth proportional to 2,379.12, 3,552.49 and 2,099.14 is: 3,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.12 : 3,552.49 = 2,099.14 : x
  2. Step 2: Convert to fraction form
    2,379.12/3,552.49 = 2,099.14/x
  3. Step 3: Cross multiply
    2,379.12x = 3,552.49 × 2,099.14
  4. Step 4: Simplify right side
    2,379.12x = 7,457,177.59
  5. Step 5: Solve for x
    x = 7,457,177.59/2,379.12
  6. Step 6: Final answer
    x = 3,134.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.