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Finding the Fourth Proportional to 3,997.39, 5,995.54 and 1,075.87

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Solution

The fourth proportional to 3,997.39, 5,995.54 and 1,075.87 is: 1,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.39 : 5,995.54 = 1,075.87 : x
  2. Step 2: Convert to fraction form
    3,997.39/5,995.54 = 1,075.87/x
  3. Step 3: Cross multiply
    3,997.39x = 5,995.54 × 1,075.87
  4. Step 4: Simplify right side
    3,997.39x = 6,450,407.98
  5. Step 5: Solve for x
    x = 6,450,407.98/3,997.39
  6. Step 6: Final answer
    x = 1,613.66

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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.