Home / 3,544.80-5,315.20-1,353.60

Finding the Fourth Proportional to 3,544.80, 5,315.20 and 1,353.60

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Solution

The fourth proportional to 3,544.80, 5,315.20 and 1,353.60 is: 2,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.80 : 5,315.20 = 1,353.60 : x
  2. Step 2: Convert to fraction form
    3,544.80/5,315.20 = 1,353.60/x
  3. Step 3: Cross multiply
    3,544.80x = 5,315.20 × 1,353.60
  4. Step 4: Simplify right side
    3,544.80x = 7,194,654.72
  5. Step 5: Solve for x
    x = 7,194,654.72/3,544.80
  6. Step 6: Final answer
    x = 2,029.64

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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.