Home / 3,608.55-5,401.21-2,907.34

Finding the Fourth Proportional to 3,608.55, 5,401.21 and 2,907.34

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Solution

The fourth proportional to 3,608.55, 5,401.21 and 2,907.34 is: 4,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.55 : 5,401.21 = 2,907.34 : x
  2. Step 2: Convert to fraction form
    3,608.55/5,401.21 = 2,907.34/x
  3. Step 3: Cross multiply
    3,608.55x = 5,401.21 × 2,907.34
  4. Step 4: Simplify right side
    3,608.55x = 15,703,160.77
  5. Step 5: Solve for x
    x = 15,703,160.77/3,608.55
  6. Step 6: Final answer
    x = 4,351.65

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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.