Home / 3,754.74-5,175.33-2,821.62

Finding the Fourth Proportional to 3,754.74, 5,175.33 and 2,821.62

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Solution

The fourth proportional to 3,754.74, 5,175.33 and 2,821.62 is: 3,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.74 : 5,175.33 = 2,821.62 : x
  2. Step 2: Convert to fraction form
    3,754.74/5,175.33 = 2,821.62/x
  3. Step 3: Cross multiply
    3,754.74x = 5,175.33 × 2,821.62
  4. Step 4: Simplify right side
    3,754.74x = 14,602,814.63
  5. Step 5: Solve for x
    x = 14,602,814.63/3,754.74
  6. Step 6: Final answer
    x = 3,889.17

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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.