Home / 3,660.63-5,480.58-3,314.61

Finding the Fourth Proportional to 3,660.63, 5,480.58 and 3,314.61

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Solution

The fourth proportional to 3,660.63, 5,480.58 and 3,314.61 is: 4,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.63 : 5,480.58 = 3,314.61 : x
  2. Step 2: Convert to fraction form
    3,660.63/5,480.58 = 3,314.61/x
  3. Step 3: Cross multiply
    3,660.63x = 5,480.58 × 3,314.61
  4. Step 4: Simplify right side
    3,660.63x = 18,165,985.27
  5. Step 5: Solve for x
    x = 18,165,985.27/3,660.63
  6. Step 6: Final answer
    x = 4,962.53

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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.