Home / 3,429.30-5,143.44-964.37

Finding the Fourth Proportional to 3,429.30, 5,143.44 and 964.37

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Solution

The fourth proportional to 3,429.30, 5,143.44 and 964.37 is: 1,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.30 : 5,143.44 = 964.37 : x
  2. Step 2: Convert to fraction form
    3,429.30/5,143.44 = 964.37/x
  3. Step 3: Cross multiply
    3,429.30x = 5,143.44 × 964.37
  4. Step 4: Simplify right side
    3,429.30x = 4,960,153.52
  5. Step 5: Solve for x
    x = 4,960,153.52/3,429.30
  6. Step 6: Final answer
    x = 1,446.40

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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.