Home / 3,625.44-4,998.80-2,630.40

Finding the Fourth Proportional to 3,625.44, 4,998.80 and 2,630.40

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Solution

The fourth proportional to 3,625.44, 4,998.80 and 2,630.40 is: 3,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.44 : 4,998.80 = 2,630.40 : x
  2. Step 2: Convert to fraction form
    3,625.44/4,998.80 = 2,630.40/x
  3. Step 3: Cross multiply
    3,625.44x = 4,998.80 × 2,630.40
  4. Step 4: Simplify right side
    3,625.44x = 13,148,843.52
  5. Step 5: Solve for x
    x = 13,148,843.52/3,625.44
  6. Step 6: Final answer
    x = 3,626.83

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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.