Home / 3,369.90-5,057.13-1,178.65

Finding the Fourth Proportional to 3,369.90, 5,057.13 and 1,178.65

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Solution

The fourth proportional to 3,369.90, 5,057.13 and 1,178.65 is: 1,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.90 : 5,057.13 = 1,178.65 : x
  2. Step 2: Convert to fraction form
    3,369.90/5,057.13 = 1,178.65/x
  3. Step 3: Cross multiply
    3,369.90x = 5,057.13 × 1,178.65
  4. Step 4: Simplify right side
    3,369.90x = 5,960,597.02
  5. Step 5: Solve for x
    x = 5,960,597.02/3,369.90
  6. Step 6: Final answer
    x = 1,768.77

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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.