Home / 3,428.09-5,141.06-1,236.53

Finding the Fourth Proportional to 3,428.09, 5,141.06 and 1,236.53

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Solution

The fourth proportional to 3,428.09, 5,141.06 and 1,236.53 is: 1,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.09 : 5,141.06 = 1,236.53 : x
  2. Step 2: Convert to fraction form
    3,428.09/5,141.06 = 1,236.53/x
  3. Step 3: Cross multiply
    3,428.09x = 5,141.06 × 1,236.53
  4. Step 4: Simplify right side
    3,428.09x = 6,357,086.23
  5. Step 5: Solve for x
    x = 6,357,086.23/3,428.09
  6. Step 6: Final answer
    x = 1,854.41

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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.