Home / 3,288.89-4,538.17-1,872.64

Finding the Fourth Proportional to 3,288.89, 4,538.17 and 1,872.64

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Solution

The fourth proportional to 3,288.89, 4,538.17 and 1,872.64 is: 2,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.89 : 4,538.17 = 1,872.64 : x
  2. Step 2: Convert to fraction form
    3,288.89/4,538.17 = 1,872.64/x
  3. Step 3: Cross multiply
    3,288.89x = 4,538.17 × 1,872.64
  4. Step 4: Simplify right side
    3,288.89x = 8,498,330.62
  5. Step 5: Solve for x
    x = 8,498,330.62/3,288.89
  6. Step 6: Final answer
    x = 2,583.95

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1.5x scale

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.