Home / 3,601.60-5,404.80-2,143.36

Finding the Fourth Proportional to 3,601.60, 5,404.80 and 2,143.36

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Solution

The fourth proportional to 3,601.60, 5,404.80 and 2,143.36 is: 3,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.60 : 5,404.80 = 2,143.36 : x
  2. Step 2: Convert to fraction form
    3,601.60/5,404.80 = 2,143.36/x
  3. Step 3: Cross multiply
    3,601.60x = 5,404.80 × 2,143.36
  4. Step 4: Simplify right side
    3,601.60x = 11,584,432.13
  5. Step 5: Solve for x
    x = 11,584,432.13/3,601.60
  6. Step 6: Final answer
    x = 3,216.47

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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.