Home / 3,540.28-5,311.16-1,075.36

Finding the Fourth Proportional to 3,540.28, 5,311.16 and 1,075.36

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Solution

The fourth proportional to 3,540.28, 5,311.16 and 1,075.36 is: 1,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.28 : 5,311.16 = 1,075.36 : x
  2. Step 2: Convert to fraction form
    3,540.28/5,311.16 = 1,075.36/x
  3. Step 3: Cross multiply
    3,540.28x = 5,311.16 × 1,075.36
  4. Step 4: Simplify right side
    3,540.28x = 5,711,409.02
  5. Step 5: Solve for x
    x = 5,711,409.02/3,540.28
  6. Step 6: Final answer
    x = 1,613.26

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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.