Home / 3,284.30-4,920.96-2,308.65

Finding the Fourth Proportional to 3,284.30, 4,920.96 and 2,308.65

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Solution

The fourth proportional to 3,284.30, 4,920.96 and 2,308.65 is: 3,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.30 : 4,920.96 = 2,308.65 : x
  2. Step 2: Convert to fraction form
    3,284.30/4,920.96 = 2,308.65/x
  3. Step 3: Cross multiply
    3,284.30x = 4,920.96 × 2,308.65
  4. Step 4: Simplify right side
    3,284.30x = 11,360,774.30
  5. Step 5: Solve for x
    x = 11,360,774.30/3,284.30
  6. Step 6: Final answer
    x = 3,459.12

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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.