Home / 3,509.34-4,842.71-1,996.70

Finding the Fourth Proportional to 3,509.34, 4,842.71 and 1,996.70

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Solution

The fourth proportional to 3,509.34, 4,842.71 and 1,996.70 is: 2,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.34 : 4,842.71 = 1,996.70 : x
  2. Step 2: Convert to fraction form
    3,509.34/4,842.71 = 1,996.70/x
  3. Step 3: Cross multiply
    3,509.34x = 4,842.71 × 1,996.70
  4. Step 4: Simplify right side
    3,509.34x = 9,669,404.86
  5. Step 5: Solve for x
    x = 9,669,404.86/3,509.34
  6. Step 6: Final answer
    x = 2,755.33

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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.