Home / 2,236.34-3,086.75-1,396.53

Finding the Fourth Proportional to 2,236.34, 3,086.75 and 1,396.53

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Solution

The fourth proportional to 2,236.34, 3,086.75 and 1,396.53 is: 1,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.34 : 3,086.75 = 1,396.53 : x
  2. Step 2: Convert to fraction form
    2,236.34/3,086.75 = 1,396.53/x
  3. Step 3: Cross multiply
    2,236.34x = 3,086.75 × 1,396.53
  4. Step 4: Simplify right side
    2,236.34x = 4,310,742.47
  5. Step 5: Solve for x
    x = 4,310,742.47/2,236.34
  6. Step 6: Final answer
    x = 1,927.59

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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.