Home / 3,209.56-4,429.00-1,864.96

Finding the Fourth Proportional to 3,209.56, 4,429.00 and 1,864.96

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Solution

The fourth proportional to 3,209.56, 4,429.00 and 1,864.96 is: 2,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.56 : 4,429.00 = 1,864.96 : x
  2. Step 2: Convert to fraction form
    3,209.56/4,429.00 = 1,864.96/x
  3. Step 3: Cross multiply
    3,209.56x = 4,429.00 × 1,864.96
  4. Step 4: Simplify right side
    3,209.56x = 8,259,898.52
  5. Step 5: Solve for x
    x = 8,259,898.52/3,209.56
  6. Step 6: Final answer
    x = 2,573.53

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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.