Home / 3,176.79-4,383.99-1,760.49

Finding the Fourth Proportional to 3,176.79, 4,383.99 and 1,760.49

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Solution

The fourth proportional to 3,176.79, 4,383.99 and 1,760.49 is: 2,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.79 : 4,383.99 = 1,760.49 : x
  2. Step 2: Convert to fraction form
    3,176.79/4,383.99 = 1,760.49/x
  3. Step 3: Cross multiply
    3,176.79x = 4,383.99 × 1,760.49
  4. Step 4: Simplify right side
    3,176.79x = 7,717,970.56
  5. Step 5: Solve for x
    x = 7,717,970.56/3,176.79
  6. Step 6: Final answer
    x = 2,429.49

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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.