Home / 3,820.35-5,730.53-1,629.30

Finding the Fourth Proportional to 3,820.35, 5,730.53 and 1,629.30

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Solution

The fourth proportional to 3,820.35, 5,730.53 and 1,629.30 is: 2,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.35 : 5,730.53 = 1,629.30 : x
  2. Step 2: Convert to fraction form
    3,820.35/5,730.53 = 1,629.30/x
  3. Step 3: Cross multiply
    3,820.35x = 5,730.53 × 1,629.30
  4. Step 4: Simplify right side
    3,820.35x = 9,336,744.38
  5. Step 5: Solve for x
    x = 9,336,744.38/3,820.35
  6. Step 6: Final answer
    x = 2,443.95

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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.