Home / 3,589.07-5,383.62-1,123.70

Finding the Fourth Proportional to 3,589.07, 5,383.62 and 1,123.70

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Solution

The fourth proportional to 3,589.07, 5,383.62 and 1,123.70 is: 1,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.07 : 5,383.62 = 1,123.70 : x
  2. Step 2: Convert to fraction form
    3,589.07/5,383.62 = 1,123.70/x
  3. Step 3: Cross multiply
    3,589.07x = 5,383.62 × 1,123.70
  4. Step 4: Simplify right side
    3,589.07x = 6,049,546.88
  5. Step 5: Solve for x
    x = 6,049,546.88/3,589.07
  6. Step 6: Final answer
    x = 1,685.55

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1.5x scale

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.