Home / 3,997.20-5,995.26-1,075.68

Finding the Fourth Proportional to 3,997.20, 5,995.26 and 1,075.68

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Solution

The fourth proportional to 3,997.20, 5,995.26 and 1,075.68 is: 1,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.20 : 5,995.26 = 1,075.68 : x
  2. Step 2: Convert to fraction form
    3,997.20/5,995.26 = 1,075.68/x
  3. Step 3: Cross multiply
    3,997.20x = 5,995.26 × 1,075.68
  4. Step 4: Simplify right side
    3,997.20x = 6,448,981.28
  5. Step 5: Solve for x
    x = 6,448,981.28/3,997.20
  6. Step 6: Final answer
    x = 1,613.37

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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.