Home / 2,824.35-4,238.36-2,132.61

Finding the Fourth Proportional to 2,824.35, 4,238.36 and 2,132.61

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Solution

The fourth proportional to 2,824.35, 4,238.36 and 2,132.61 is: 3,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.35 : 4,238.36 = 2,132.61 : x
  2. Step 2: Convert to fraction form
    2,824.35/4,238.36 = 2,132.61/x
  3. Step 3: Cross multiply
    2,824.35x = 4,238.36 × 2,132.61
  4. Step 4: Simplify right side
    2,824.35x = 9,038,758.26
  5. Step 5: Solve for x
    x = 9,038,758.26/2,824.35
  6. Step 6: Final answer
    x = 3,200.30

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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.