Home / 3,708.21-5,545.46-2,771.80

Finding the Fourth Proportional to 3,708.21, 5,545.46 and 2,771.80

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Solution

The fourth proportional to 3,708.21, 5,545.46 and 2,771.80 is: 4,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.21 : 5,545.46 = 2,771.80 : x
  2. Step 2: Convert to fraction form
    3,708.21/5,545.46 = 2,771.80/x
  3. Step 3: Cross multiply
    3,708.21x = 5,545.46 × 2,771.80
  4. Step 4: Simplify right side
    3,708.21x = 15,370,892.17
  5. Step 5: Solve for x
    x = 15,370,892.17/3,708.21
  6. Step 6: Final answer
    x = 4,145.10

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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.