Home / 2,926.79-4,383.68-2,102.59

Finding the Fourth Proportional to 2,926.79, 4,383.68 and 2,102.59

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Solution

The fourth proportional to 2,926.79, 4,383.68 and 2,102.59 is: 3,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.79 : 4,383.68 = 2,102.59 : x
  2. Step 2: Convert to fraction form
    2,926.79/4,383.68 = 2,102.59/x
  3. Step 3: Cross multiply
    2,926.79x = 4,383.68 × 2,102.59
  4. Step 4: Simplify right side
    2,926.79x = 9,217,059.81
  5. Step 5: Solve for x
    x = 9,217,059.81/2,926.79
  6. Step 6: Final answer
    x = 3,149.21

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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.