Home / 3,630.60-5,439.52-2,589.05

Finding the Fourth Proportional to 3,630.60, 5,439.52 and 2,589.05

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Solution

The fourth proportional to 3,630.60, 5,439.52 and 2,589.05 is: 3,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.60 : 5,439.52 = 2,589.05 : x
  2. Step 2: Convert to fraction form
    3,630.60/5,439.52 = 2,589.05/x
  3. Step 3: Cross multiply
    3,630.60x = 5,439.52 × 2,589.05
  4. Step 4: Simplify right side
    3,630.60x = 14,083,189.26
  5. Step 5: Solve for x
    x = 14,083,189.26/3,630.60
  6. Step 6: Final answer
    x = 3,879.03

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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.