Home / 3,308.11-4,565.90-1,982.59

Finding the Fourth Proportional to 3,308.11, 4,565.90 and 1,982.59

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Solution

The fourth proportional to 3,308.11, 4,565.90 and 1,982.59 is: 2,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.11 : 4,565.90 = 1,982.59 : x
  2. Step 2: Convert to fraction form
    3,308.11/4,565.90 = 1,982.59/x
  3. Step 3: Cross multiply
    3,308.11x = 4,565.90 × 1,982.59
  4. Step 4: Simplify right side
    3,308.11x = 9,052,307.68
  5. Step 5: Solve for x
    x = 9,052,307.68/3,308.11
  6. Step 6: Final answer
    x = 2,736.40

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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.