Home / 3,284.28-4,920.94-2,308.63

Finding the Fourth Proportional to 3,284.28, 4,920.94 and 2,308.63

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Solution

The fourth proportional to 3,284.28, 4,920.94 and 2,308.63 is: 3,459.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.28 : 4,920.94 = 2,308.63 : x
  2. Step 2: Convert to fraction form
    3,284.28/4,920.94 = 2,308.63/x
  3. Step 3: Cross multiply
    3,284.28x = 4,920.94 × 2,308.63
  4. Step 4: Simplify right side
    3,284.28x = 11,360,618.17
  5. Step 5: Solve for x
    x = 11,360,618.17/3,284.28
  6. Step 6: Final answer
    x = 3,459.09

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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.