Home / 4,042.09-5,578-2,273.70

Finding the Fourth Proportional to 4,042.09, 5,578 and 2,273.70

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Solution

The fourth proportional to 4,042.09, 5,578 and 2,273.70 is: 3,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.09 : 5,578 = 2,273.70 : x
  2. Step 2: Convert to fraction form
    4,042.09/5,578 = 2,273.70/x
  3. Step 3: Cross multiply
    4,042.09x = 5,578 × 2,273.70
  4. Step 4: Simplify right side
    4,042.09x = 12,682,670.71
  5. Step 5: Solve for x
    x = 12,682,670.71/4,042.09
  6. Step 6: Final answer
    x = 3,137.65

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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.