Home / 3,738.99-5,608.77-1,142.13

Finding the Fourth Proportional to 3,738.99, 5,608.77 and 1,142.13

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Solution

The fourth proportional to 3,738.99, 5,608.77 and 1,142.13 is: 1,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.99 : 5,608.77 = 1,142.13 : x
  2. Step 2: Convert to fraction form
    3,738.99/5,608.77 = 1,142.13/x
  3. Step 3: Cross multiply
    3,738.99x = 5,608.77 × 1,142.13
  4. Step 4: Simplify right side
    3,738.99x = 6,405,944.48
  5. Step 5: Solve for x
    x = 6,405,944.48/3,738.99
  6. Step 6: Final answer
    x = 1,713.28

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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.