Home / 3,619.36-5,425.64-1,152.48

Finding the Fourth Proportional to 3,619.36, 5,425.64 and 1,152.48

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Solution

The fourth proportional to 3,619.36, 5,425.64 and 1,152.48 is: 1,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.36 : 5,425.64 = 1,152.48 : x
  2. Step 2: Convert to fraction form
    3,619.36/5,425.64 = 1,152.48/x
  3. Step 3: Cross multiply
    3,619.36x = 5,425.64 × 1,152.48
  4. Step 4: Simplify right side
    3,619.36x = 6,252,941.59
  5. Step 5: Solve for x
    x = 6,252,941.59/3,619.36
  6. Step 6: Final answer
    x = 1,727.64

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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.