Home / 3,377.75-5,042.18-2,918.48

Finding the Fourth Proportional to 3,377.75, 5,042.18 and 2,918.48

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Solution

The fourth proportional to 3,377.75, 5,042.18 and 2,918.48 is: 4,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.75 : 5,042.18 = 2,918.48 : x
  2. Step 2: Convert to fraction form
    3,377.75/5,042.18 = 2,918.48/x
  3. Step 3: Cross multiply
    3,377.75x = 5,042.18 × 2,918.48
  4. Step 4: Simplify right side
    3,377.75x = 14,715,501.49
  5. Step 5: Solve for x
    x = 14,715,501.49/3,377.75
  6. Step 6: Final answer
    x = 4,356.60

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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.