Home / 4,084.30-5,636.40-2,221.34

Finding the Fourth Proportional to 4,084.30, 5,636.40 and 2,221.34

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Solution

The fourth proportional to 4,084.30, 5,636.40 and 2,221.34 is: 3,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.30 : 5,636.40 = 2,221.34 : x
  2. Step 2: Convert to fraction form
    4,084.30/5,636.40 = 2,221.34/x
  3. Step 3: Cross multiply
    4,084.30x = 5,636.40 × 2,221.34
  4. Step 4: Simplify right side
    4,084.30x = 12,520,360.78
  5. Step 5: Solve for x
    x = 12,520,360.78/4,084.30
  6. Step 6: Final answer
    x = 3,065.49

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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.