Home / 3,106.79-4,654.03-2,011.92

Finding the Fourth Proportional to 3,106.79, 4,654.03 and 2,011.92

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Solution

The fourth proportional to 3,106.79, 4,654.03 and 2,011.92 is: 3,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.79 : 4,654.03 = 2,011.92 : x
  2. Step 2: Convert to fraction form
    3,106.79/4,654.03 = 2,011.92/x
  3. Step 3: Cross multiply
    3,106.79x = 4,654.03 × 2,011.92
  4. Step 4: Simplify right side
    3,106.79x = 9,363,536.04
  5. Step 5: Solve for x
    x = 9,363,536.04/3,106.79
  6. Step 6: Final answer
    x = 3,013.89

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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.