Home / 3,417.23-5,123.79-1,334.79

Finding the Fourth Proportional to 3,417.23, 5,123.79 and 1,334.79

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Solution

The fourth proportional to 3,417.23, 5,123.79 and 1,334.79 is: 2,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.23 : 5,123.79 = 1,334.79 : x
  2. Step 2: Convert to fraction form
    3,417.23/5,123.79 = 1,334.79/x
  3. Step 3: Cross multiply
    3,417.23x = 5,123.79 × 1,334.79
  4. Step 4: Simplify right side
    3,417.23x = 6,839,183.65
  5. Step 5: Solve for x
    x = 6,839,183.65/3,417.23
  6. Step 6: Final answer
    x = 2,001.38

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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.