Home / 3,897.04-5,836.24-2,139.34

Finding the Fourth Proportional to 3,897.04, 5,836.24 and 2,139.34

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Solution

The fourth proportional to 3,897.04, 5,836.24 and 2,139.34 is: 3,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.04 : 5,836.24 = 2,139.34 : x
  2. Step 2: Convert to fraction form
    3,897.04/5,836.24 = 2,139.34/x
  3. Step 3: Cross multiply
    3,897.04x = 5,836.24 × 2,139.34
  4. Step 4: Simplify right side
    3,897.04x = 12,485,701.68
  5. Step 5: Solve for x
    x = 12,485,701.68/3,897.04
  6. Step 6: Final answer
    x = 3,203.89

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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.