Home / 3,544.75-4,891.67-2,219.18

Finding the Fourth Proportional to 3,544.75, 4,891.67 and 2,219.18

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Solution

The fourth proportional to 3,544.75, 4,891.67 and 2,219.18 is: 3,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.75 : 4,891.67 = 2,219.18 : x
  2. Step 2: Convert to fraction form
    3,544.75/4,891.67 = 2,219.18/x
  3. Step 3: Cross multiply
    3,544.75x = 4,891.67 × 2,219.18
  4. Step 4: Simplify right side
    3,544.75x = 10,855,501.78
  5. Step 5: Solve for x
    x = 10,855,501.78/3,544.75
  6. Step 6: Final answer
    x = 3,062.42

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Half scale
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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.