Home / 3,429.42-5,145.52-1,349.96

Finding the Fourth Proportional to 3,429.42, 5,145.52 and 1,349.96

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Solution

The fourth proportional to 3,429.42, 5,145.52 and 1,349.96 is: 2,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.42 : 5,145.52 = 1,349.96 : x
  2. Step 2: Convert to fraction form
    3,429.42/5,145.52 = 1,349.96/x
  3. Step 3: Cross multiply
    3,429.42x = 5,145.52 × 1,349.96
  4. Step 4: Simplify right side
    3,429.42x = 6,946,246.18
  5. Step 5: Solve for x
    x = 6,946,246.18/3,429.42
  6. Step 6: Final answer
    x = 2,025.49

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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.