Home / 3,164.72-4,748.09-1,521.39

Finding the Fourth Proportional to 3,164.72, 4,748.09 and 1,521.39

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Solution

The fourth proportional to 3,164.72, 4,748.09 and 1,521.39 is: 2,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.72 : 4,748.09 = 1,521.39 : x
  2. Step 2: Convert to fraction form
    3,164.72/4,748.09 = 1,521.39/x
  3. Step 3: Cross multiply
    3,164.72x = 4,748.09 × 1,521.39
  4. Step 4: Simplify right side
    3,164.72x = 7,223,696.65
  5. Step 5: Solve for x
    x = 7,223,696.65/3,164.72
  6. Step 6: Final answer
    x = 2,282.57

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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.