Home / 3,540.89-5,311.35-1,075.73

Finding the Fourth Proportional to 3,540.89, 5,311.35 and 1,075.73

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Solution

The fourth proportional to 3,540.89, 5,311.35 and 1,075.73 is: 1,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.89 : 5,311.35 = 1,075.73 : x
  2. Step 2: Convert to fraction form
    3,540.89/5,311.35 = 1,075.73/x
  3. Step 3: Cross multiply
    3,540.89x = 5,311.35 × 1,075.73
  4. Step 4: Simplify right side
    3,540.89x = 5,713,578.54
  5. Step 5: Solve for x
    x = 5,713,578.54/3,540.89
  6. Step 6: Final answer
    x = 1,613.60

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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.