Home / 3,608.40-5,406.22-2,507.61

Finding the Fourth Proportional to 3,608.40, 5,406.22 and 2,507.61

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Solution

The fourth proportional to 3,608.40, 5,406.22 and 2,507.61 is: 3,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.40 : 5,406.22 = 2,507.61 : x
  2. Step 2: Convert to fraction form
    3,608.40/5,406.22 = 2,507.61/x
  3. Step 3: Cross multiply
    3,608.40x = 5,406.22 × 2,507.61
  4. Step 4: Simplify right side
    3,608.40x = 13,556,694.47
  5. Step 5: Solve for x
    x = 13,556,694.47/3,608.40
  6. Step 6: Final answer
    x = 3,756.98

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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.