Home / 2,212.93-3,317.08-825.71

Finding the Fourth Proportional to 2,212.93, 3,317.08 and 825.71

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Solution

The fourth proportional to 2,212.93, 3,317.08 and 825.71 is: 1,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.93 : 3,317.08 = 825.71 : x
  2. Step 2: Convert to fraction form
    2,212.93/3,317.08 = 825.71/x
  3. Step 3: Cross multiply
    2,212.93x = 3,317.08 × 825.71
  4. Step 4: Simplify right side
    2,212.93x = 2,738,939.92
  5. Step 5: Solve for x
    x = 2,738,939.92/2,212.93
  6. Step 6: Final answer
    x = 1,237.70

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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.