Home / 3,239.47-4,469.72-1,913.37

Finding the Fourth Proportional to 3,239.47, 4,469.72 and 1,913.37

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Solution

The fourth proportional to 3,239.47, 4,469.72 and 1,913.37 is: 2,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.47 : 4,469.72 = 1,913.37 : x
  2. Step 2: Convert to fraction form
    3,239.47/4,469.72 = 1,913.37/x
  3. Step 3: Cross multiply
    3,239.47x = 4,469.72 × 1,913.37
  4. Step 4: Simplify right side
    3,239.47x = 8,552,226.97
  5. Step 5: Solve for x
    x = 8,552,226.97/3,239.47
  6. Step 6: Final answer
    x = 2,640.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.