Home / 3,589.61-5,380.34-1,616.85

Finding the Fourth Proportional to 3,589.61, 5,380.34 and 1,616.85

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Solution

The fourth proportional to 3,589.61, 5,380.34 and 1,616.85 is: 2,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.61 : 5,380.34 = 1,616.85 : x
  2. Step 2: Convert to fraction form
    3,589.61/5,380.34 = 1,616.85/x
  3. Step 3: Cross multiply
    3,589.61x = 5,380.34 × 1,616.85
  4. Step 4: Simplify right side
    3,589.61x = 8,699,194.64
  5. Step 5: Solve for x
    x = 8,699,194.64/3,589.61
  6. Step 6: Final answer
    x = 2,423.44

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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.