Home / 3,209.24-4,429.14-2,031.50

Finding the Fourth Proportional to 3,209.24, 4,429.14 and 2,031.50

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Solution

The fourth proportional to 3,209.24, 4,429.14 and 2,031.50 is: 2,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.24 : 4,429.14 = 2,031.50 : x
  2. Step 2: Convert to fraction form
    3,209.24/4,429.14 = 2,031.50/x
  3. Step 3: Cross multiply
    3,209.24x = 4,429.14 × 2,031.50
  4. Step 4: Simplify right side
    3,209.24x = 8,997,797.91
  5. Step 5: Solve for x
    x = 8,997,797.91/3,209.24
  6. Step 6: Final answer
    x = 2,803.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.