Home / 3,112.27-4,295.79-2,050.81

Finding the Fourth Proportional to 3,112.27, 4,295.79 and 2,050.81

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Solution

The fourth proportional to 3,112.27, 4,295.79 and 2,050.81 is: 2,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.27 : 4,295.79 = 2,050.81 : x
  2. Step 2: Convert to fraction form
    3,112.27/4,295.79 = 2,050.81/x
  3. Step 3: Cross multiply
    3,112.27x = 4,295.79 × 2,050.81
  4. Step 4: Simplify right side
    3,112.27x = 8,809,838.35
  5. Step 5: Solve for x
    x = 8,809,838.35/3,112.27
  6. Step 6: Final answer
    x = 2,830.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.