Home / 3,821.50-5,273.67-2,424.25

Finding the Fourth Proportional to 3,821.50, 5,273.67 and 2,424.25

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Solution

The fourth proportional to 3,821.50, 5,273.67 and 2,424.25 is: 3,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.50 : 5,273.67 = 2,424.25 : x
  2. Step 2: Convert to fraction form
    3,821.50/5,273.67 = 2,424.25/x
  3. Step 3: Cross multiply
    3,821.50x = 5,273.67 × 2,424.25
  4. Step 4: Simplify right side
    3,821.50x = 12,784,694.50
  5. Step 5: Solve for x
    x = 12,784,694.50/3,821.50
  6. Step 6: Final answer
    x = 3,345.47

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Half scale
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Double scale
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Similar ratio
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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.