Home / 4,042.15-5,578.16-2,273.76

Finding the Fourth Proportional to 4,042.15, 5,578.16 and 2,273.76

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Solution

The fourth proportional to 4,042.15, 5,578.16 and 2,273.76 is: 3,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.15 : 5,578.16 = 2,273.76 : x
  2. Step 2: Convert to fraction form
    4,042.15/5,578.16 = 2,273.76/x
  3. Step 3: Cross multiply
    4,042.15x = 5,578.16 × 2,273.76
  4. Step 4: Simplify right side
    4,042.15x = 12,683,396.25
  5. Step 5: Solve for x
    x = 12,683,396.25/4,042.15
  6. Step 6: Final answer
    x = 3,137.78

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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.