Home / 3,584.96-5,378.64-1,829.20

Finding the Fourth Proportional to 3,584.96, 5,378.64 and 1,829.20

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Solution

The fourth proportional to 3,584.96, 5,378.64 and 1,829.20 is: 2,744.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.96 : 5,378.64 = 1,829.20 : x
  2. Step 2: Convert to fraction form
    3,584.96/5,378.64 = 1,829.20/x
  3. Step 3: Cross multiply
    3,584.96x = 5,378.64 × 1,829.20
  4. Step 4: Simplify right side
    3,584.96x = 9,838,608.29
  5. Step 5: Solve for x
    x = 9,838,608.29/3,584.96
  6. Step 6: Final answer
    x = 2,744.41

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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.