Home / 3,348.48-5,042.46-2,920.80

Finding the Fourth Proportional to 3,348.48, 5,042.46 and 2,920.80

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Solution

The fourth proportional to 3,348.48, 5,042.46 and 2,920.80 is: 4,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.48 : 5,042.46 = 2,920.80 : x
  2. Step 2: Convert to fraction form
    3,348.48/5,042.46 = 2,920.80/x
  3. Step 3: Cross multiply
    3,348.48x = 5,042.46 × 2,920.80
  4. Step 4: Simplify right side
    3,348.48x = 14,728,017.17
  5. Step 5: Solve for x
    x = 14,728,017.17/3,348.48
  6. Step 6: Final answer
    x = 4,398.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.