Home / 3,274.25-4,515.35-2,154.69

Finding the Fourth Proportional to 3,274.25, 4,515.35 and 2,154.69

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Solution

The fourth proportional to 3,274.25, 4,515.35 and 2,154.69 is: 2,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.25 : 4,515.35 = 2,154.69 : x
  2. Step 2: Convert to fraction form
    3,274.25/4,515.35 = 2,154.69/x
  3. Step 3: Cross multiply
    3,274.25x = 4,515.35 × 2,154.69
  4. Step 4: Simplify right side
    3,274.25x = 9,729,168.72
  5. Step 5: Solve for x
    x = 9,729,168.72/3,274.25
  6. Step 6: Final answer
    x = 2,971.42

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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.