Home / 3,812.54-5,714.96-1,619.87

Finding the Fourth Proportional to 3,812.54, 5,714.96 and 1,619.87

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Solution

The fourth proportional to 3,812.54, 5,714.96 and 1,619.87 is: 2,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.54 : 5,714.96 = 1,619.87 : x
  2. Step 2: Convert to fraction form
    3,812.54/5,714.96 = 1,619.87/x
  3. Step 3: Cross multiply
    3,812.54x = 5,714.96 × 1,619.87
  4. Step 4: Simplify right side
    3,812.54x = 9,257,455.58
  5. Step 5: Solve for x
    x = 9,257,455.58/3,812.54
  6. Step 6: Final answer
    x = 2,428.16

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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.