Home / 3,584.20-5,378.26-1,393.02

Finding the Fourth Proportional to 3,584.20, 5,378.26 and 1,393.02

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Solution

The fourth proportional to 3,584.20, 5,378.26 and 1,393.02 is: 2,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.20 : 5,378.26 = 1,393.02 : x
  2. Step 2: Convert to fraction form
    3,584.20/5,378.26 = 1,393.02/x
  3. Step 3: Cross multiply
    3,584.20x = 5,378.26 × 1,393.02
  4. Step 4: Simplify right side
    3,584.20x = 7,492,023.75
  5. Step 5: Solve for x
    x = 7,492,023.75/3,584.20
  6. Step 6: Final answer
    x = 2,090.29

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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.