Home / 3,820.07-5,730.24-1,871.75

Finding the Fourth Proportional to 3,820.07, 5,730.24 and 1,871.75

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Solution

The fourth proportional to 3,820.07, 5,730.24 and 1,871.75 is: 2,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.07 : 5,730.24 = 1,871.75 : x
  2. Step 2: Convert to fraction form
    3,820.07/5,730.24 = 1,871.75/x
  3. Step 3: Cross multiply
    3,820.07x = 5,730.24 × 1,871.75
  4. Step 4: Simplify right side
    3,820.07x = 10,725,576.72
  5. Step 5: Solve for x
    x = 10,725,576.72/3,820.07
  6. Step 6: Final answer
    x = 2,807.69

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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.