Home / 3,429.45-5,144.40-964.35

Finding the Fourth Proportional to 3,429.45, 5,144.40 and 964.35

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Solution

The fourth proportional to 3,429.45, 5,144.40 and 964.35 is: 1,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.45 : 5,144.40 = 964.35 : x
  2. Step 2: Convert to fraction form
    3,429.45/5,144.40 = 964.35/x
  3. Step 3: Cross multiply
    3,429.45x = 5,144.40 × 964.35
  4. Step 4: Simplify right side
    3,429.45x = 4,961,002.14
  5. Step 5: Solve for x
    x = 4,961,002.14/3,429.45
  6. Step 6: Final answer
    x = 1,446.59

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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.