Home / 3,608.42-5,422.08-3,147.36

Finding the Fourth Proportional to 3,608.42, 5,422.08 and 3,147.36

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Solution

The fourth proportional to 3,608.42, 5,422.08 and 3,147.36 is: 4,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.42 : 5,422.08 = 3,147.36 : x
  2. Step 2: Convert to fraction form
    3,608.42/5,422.08 = 3,147.36/x
  3. Step 3: Cross multiply
    3,608.42x = 5,422.08 × 3,147.36
  4. Step 4: Simplify right side
    3,608.42x = 17,065,237.71
  5. Step 5: Solve for x
    x = 17,065,237.71/3,608.42
  6. Step 6: Final answer
    x = 4,729.28

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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.