Home / 3,611.20-4,981.08-2,550.52

Finding the Fourth Proportional to 3,611.20, 4,981.08 and 2,550.52

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Solution

The fourth proportional to 3,611.20, 4,981.08 and 2,550.52 is: 3,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.20 : 4,981.08 = 2,550.52 : x
  2. Step 2: Convert to fraction form
    3,611.20/4,981.08 = 2,550.52/x
  3. Step 3: Cross multiply
    3,611.20x = 4,981.08 × 2,550.52
  4. Step 4: Simplify right side
    3,611.20x = 12,704,344.16
  5. Step 5: Solve for x
    x = 12,704,344.16/3,611.20
  6. Step 6: Final answer
    x = 3,518.04

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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.