Home / 3,112.90-4,293.93-2,448.70

Finding the Fourth Proportional to 3,112.90, 4,293.93 and 2,448.70

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Solution

The fourth proportional to 3,112.90, 4,293.93 and 2,448.70 is: 3,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.90 : 4,293.93 = 2,448.70 : x
  2. Step 2: Convert to fraction form
    3,112.90/4,293.93 = 2,448.70/x
  3. Step 3: Cross multiply
    3,112.90x = 4,293.93 × 2,448.70
  4. Step 4: Simplify right side
    3,112.90x = 10,514,546.39
  5. Step 5: Solve for x
    x = 10,514,546.39/3,112.90
  6. Step 6: Final answer
    x = 3,377.73

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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.