Home / 3,738.60-5,600.71-2,090.15

Finding the Fourth Proportional to 3,738.60, 5,600.71 and 2,090.15

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Solution

The fourth proportional to 3,738.60, 5,600.71 and 2,090.15 is: 3,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.60 : 5,600.71 = 2,090.15 : x
  2. Step 2: Convert to fraction form
    3,738.60/5,600.71 = 2,090.15/x
  3. Step 3: Cross multiply
    3,738.60x = 5,600.71 × 2,090.15
  4. Step 4: Simplify right side
    3,738.60x = 11,706,324.01
  5. Step 5: Solve for x
    x = 11,706,324.01/3,738.60
  6. Step 6: Final answer
    x = 3,131.21

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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.