Home / 3,228.42-4,836.26-2,129.42

Finding the Fourth Proportional to 3,228.42, 4,836.26 and 2,129.42

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Solution

The fourth proportional to 3,228.42, 4,836.26 and 2,129.42 is: 3,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.42 : 4,836.26 = 2,129.42 : x
  2. Step 2: Convert to fraction form
    3,228.42/4,836.26 = 2,129.42/x
  3. Step 3: Cross multiply
    3,228.42x = 4,836.26 × 2,129.42
  4. Step 4: Simplify right side
    3,228.42x = 10,298,428.77
  5. Step 5: Solve for x
    x = 10,298,428.77/3,228.42
  6. Step 6: Final answer
    x = 3,189.93

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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.