Home / 3,377.76-5,042.19-2,918.49

Finding the Fourth Proportional to 3,377.76, 5,042.19 and 2,918.49

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Solution

The fourth proportional to 3,377.76, 5,042.19 and 2,918.49 is: 4,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.76 : 5,042.19 = 2,918.49 : x
  2. Step 2: Convert to fraction form
    3,377.76/5,042.19 = 2,918.49/x
  3. Step 3: Cross multiply
    3,377.76x = 5,042.19 × 2,918.49
  4. Step 4: Simplify right side
    3,377.76x = 14,715,581.09
  5. Step 5: Solve for x
    x = 14,715,581.09/3,377.76
  6. Step 6: Final answer
    x = 4,356.61

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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.