Home / 2,850.39-3,925.67-2,646.27

Finding the Fourth Proportional to 2,850.39, 3,925.67 and 2,646.27

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Solution

The fourth proportional to 2,850.39, 3,925.67 and 2,646.27 is: 3,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.39 : 3,925.67 = 2,646.27 : x
  2. Step 2: Convert to fraction form
    2,850.39/3,925.67 = 2,646.27/x
  3. Step 3: Cross multiply
    2,850.39x = 3,925.67 × 2,646.27
  4. Step 4: Simplify right side
    2,850.39x = 10,388,369.52
  5. Step 5: Solve for x
    x = 10,388,369.52/2,850.39
  6. Step 6: Final answer
    x = 3,644.54

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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.