Home / 3,110.48-4,291.05-1,850.83

Finding the Fourth Proportional to 3,110.48, 4,291.05 and 1,850.83

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Solution

The fourth proportional to 3,110.48, 4,291.05 and 1,850.83 is: 2,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.48 : 4,291.05 = 1,850.83 : x
  2. Step 2: Convert to fraction form
    3,110.48/4,291.05 = 1,850.83/x
  3. Step 3: Cross multiply
    3,110.48x = 4,291.05 × 1,850.83
  4. Step 4: Simplify right side
    3,110.48x = 7,942,004.07
  5. Step 5: Solve for x
    x = 7,942,004.07/3,110.48
  6. Step 6: Final answer
    x = 2,553.30

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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.