Home / 3,822.52-5,733.60-1,512.40

Finding the Fourth Proportional to 3,822.52, 5,733.60 and 1,512.40

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Solution

The fourth proportional to 3,822.52, 5,733.60 and 1,512.40 is: 2,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.52 : 5,733.60 = 1,512.40 : x
  2. Step 2: Convert to fraction form
    3,822.52/5,733.60 = 1,512.40/x
  3. Step 3: Cross multiply
    3,822.52x = 5,733.60 × 1,512.40
  4. Step 4: Simplify right side
    3,822.52x = 8,671,496.64
  5. Step 5: Solve for x
    x = 8,671,496.64/3,822.52
  6. Step 6: Final answer
    x = 2,268.53

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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.