Home / 3,544.20-4,891.08-1,972.39

Finding the Fourth Proportional to 3,544.20, 4,891.08 and 1,972.39

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Solution

The fourth proportional to 3,544.20, 4,891.08 and 1,972.39 is: 2,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.20 : 4,891.08 = 1,972.39 : x
  2. Step 2: Convert to fraction form
    3,544.20/4,891.08 = 1,972.39/x
  3. Step 3: Cross multiply
    3,544.20x = 4,891.08 × 1,972.39
  4. Step 4: Simplify right side
    3,544.20x = 9,647,117.28
  5. Step 5: Solve for x
    x = 9,647,117.28/3,544.20
  6. Step 6: Final answer
    x = 2,721.94

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Double scale
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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.