Home / 2,236.72-3,353-1,412.60

Finding the Fourth Proportional to 2,236.72, 3,353 and 1,412.60

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Solution

The fourth proportional to 2,236.72, 3,353 and 1,412.60 is: 2,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.72 : 3,353 = 1,412.60 : x
  2. Step 2: Convert to fraction form
    2,236.72/3,353 = 1,412.60/x
  3. Step 3: Cross multiply
    2,236.72x = 3,353 × 1,412.60
  4. Step 4: Simplify right side
    2,236.72x = 4,736,447.80
  5. Step 5: Solve for x
    x = 4,736,447.80/2,236.72
  6. Step 6: Final answer
    x = 2,117.59

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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.