Home / 3,407.90-5,109.69-2,236.46

Finding the Fourth Proportional to 3,407.90, 5,109.69 and 2,236.46

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Solution

The fourth proportional to 3,407.90, 5,109.69 and 2,236.46 is: 3,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.90 : 5,109.69 = 2,236.46 : x
  2. Step 2: Convert to fraction form
    3,407.90/5,109.69 = 2,236.46/x
  3. Step 3: Cross multiply
    3,407.90x = 5,109.69 × 2,236.46
  4. Step 4: Simplify right side
    3,407.90x = 11,427,617.30
  5. Step 5: Solve for x
    x = 11,427,617.30/3,407.90
  6. Step 6: Final answer
    x = 3,353.27

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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.