Home / 3,140.92-4,683.97-2,752.73

Finding the Fourth Proportional to 3,140.92, 4,683.97 and 2,752.73

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Solution

The fourth proportional to 3,140.92, 4,683.97 and 2,752.73 is: 4,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.92 : 4,683.97 = 2,752.73 : x
  2. Step 2: Convert to fraction form
    3,140.92/4,683.97 = 2,752.73/x
  3. Step 3: Cross multiply
    3,140.92x = 4,683.97 × 2,752.73
  4. Step 4: Simplify right side
    3,140.92x = 12,893,704.74
  5. Step 5: Solve for x
    x = 12,893,704.74/3,140.92
  6. Step 6: Final answer
    x = 4,105.07

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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.