Home / 3,623.63-5,425.91-2,917.02

Finding the Fourth Proportional to 3,623.63, 5,425.91 and 2,917.02

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Solution

The fourth proportional to 3,623.63, 5,425.91 and 2,917.02 is: 4,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.63 : 5,425.91 = 2,917.02 : x
  2. Step 2: Convert to fraction form
    3,623.63/5,425.91 = 2,917.02/x
  3. Step 3: Cross multiply
    3,623.63x = 5,425.91 × 2,917.02
  4. Step 4: Simplify right side
    3,623.63x = 15,827,473.40
  5. Step 5: Solve for x
    x = 15,827,473.40/3,623.63
  6. Step 6: Final answer
    x = 4,367.85

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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.