Home / 3,090.33-4,634.11-2,221

Finding the Fourth Proportional to 3,090.33, 4,634.11 and 2,221

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Solution

The fourth proportional to 3,090.33, 4,634.11 and 2,221 is: 3,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.33 : 4,634.11 = 2,221 : x
  2. Step 2: Convert to fraction form
    3,090.33/4,634.11 = 2,221/x
  3. Step 3: Cross multiply
    3,090.33x = 4,634.11 × 2,221
  4. Step 4: Simplify right side
    3,090.33x = 10,292,358.31
  5. Step 5: Solve for x
    x = 10,292,358.31/3,090.33
  6. Step 6: Final answer
    x = 3,330.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.