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Finding the Fourth Proportional to 3,599.54, 5,400.22 and 1,520.07

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Solution

The fourth proportional to 3,599.54, 5,400.22 and 1,520.07 is: 2,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.54 : 5,400.22 = 1,520.07 : x
  2. Step 2: Convert to fraction form
    3,599.54/5,400.22 = 1,520.07/x
  3. Step 3: Cross multiply
    3,599.54x = 5,400.22 × 1,520.07
  4. Step 4: Simplify right side
    3,599.54x = 8,208,691.21
  5. Step 5: Solve for x
    x = 8,208,691.21/3,599.54
  6. Step 6: Final answer
    x = 2,280.48

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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.