Home / 2,920.59-4,379.27-2,099.25

Finding the Fourth Proportional to 2,920.59, 4,379.27 and 2,099.25

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Solution

The fourth proportional to 2,920.59, 4,379.27 and 2,099.25 is: 3,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.59 : 4,379.27 = 2,099.25 : x
  2. Step 2: Convert to fraction form
    2,920.59/4,379.27 = 2,099.25/x
  3. Step 3: Cross multiply
    2,920.59x = 4,379.27 × 2,099.25
  4. Step 4: Simplify right side
    2,920.59x = 9,193,172.05
  5. Step 5: Solve for x
    x = 9,193,172.05/2,920.59
  6. Step 6: Final answer
    x = 3,147.71

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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.