Home / 3,719.75-5,576.31-1,412.87

Finding the Fourth Proportional to 3,719.75, 5,576.31 and 1,412.87

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Solution

The fourth proportional to 3,719.75, 5,576.31 and 1,412.87 is: 2,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.75 : 5,576.31 = 1,412.87 : x
  2. Step 2: Convert to fraction form
    3,719.75/5,576.31 = 1,412.87/x
  3. Step 3: Cross multiply
    3,719.75x = 5,576.31 × 1,412.87
  4. Step 4: Simplify right side
    3,719.75x = 7,878,573.23
  5. Step 5: Solve for x
    x = 7,878,573.23/3,719.75
  6. Step 6: Final answer
    x = 2,118.04

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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.