Home / 3,820.16-5,730.56-1,629.44

Finding the Fourth Proportional to 3,820.16, 5,730.56 and 1,629.44

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Solution

The fourth proportional to 3,820.16, 5,730.56 and 1,629.44 is: 2,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.16 : 5,730.56 = 1,629.44 : x
  2. Step 2: Convert to fraction form
    3,820.16/5,730.56 = 1,629.44/x
  3. Step 3: Cross multiply
    3,820.16x = 5,730.56 × 1,629.44
  4. Step 4: Simplify right side
    3,820.16x = 9,337,603.69
  5. Step 5: Solve for x
    x = 9,337,603.69/3,820.16
  6. Step 6: Final answer
    x = 2,444.30

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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.