Home / 3,820.53-5,732.91-2,065.50

Finding the Fourth Proportional to 3,820.53, 5,732.91 and 2,065.50

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Solution

The fourth proportional to 3,820.53, 5,732.91 and 2,065.50 is: 3,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.53 : 5,732.91 = 2,065.50 : x
  2. Step 2: Convert to fraction form
    3,820.53/5,732.91 = 2,065.50/x
  3. Step 3: Cross multiply
    3,820.53x = 5,732.91 × 2,065.50
  4. Step 4: Simplify right side
    3,820.53x = 11,841,325.61
  5. Step 5: Solve for x
    x = 11,841,325.61/3,820.53
  6. Step 6: Final answer
    x = 3,099.39

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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.