Home / 3,600.12-5,400.72-2,040.60

Finding the Fourth Proportional to 3,600.12, 5,400.72 and 2,040.60

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Solution

The fourth proportional to 3,600.12, 5,400.72 and 2,040.60 is: 3,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.12 : 5,400.72 = 2,040.60 : x
  2. Step 2: Convert to fraction form
    3,600.12/5,400.72 = 2,040.60/x
  3. Step 3: Cross multiply
    3,600.12x = 5,400.72 × 2,040.60
  4. Step 4: Simplify right side
    3,600.12x = 11,020,709.23
  5. Step 5: Solve for x
    x = 11,020,709.23/3,600.12
  6. Step 6: Final answer
    x = 3,061.21

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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.