Home / 3,820.26-5,730.48-1,223.22

Finding the Fourth Proportional to 3,820.26, 5,730.48 and 1,223.22

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Solution

The fourth proportional to 3,820.26, 5,730.48 and 1,223.22 is: 1,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.26 : 5,730.48 = 1,223.22 : x
  2. Step 2: Convert to fraction form
    3,820.26/5,730.48 = 1,223.22/x
  3. Step 3: Cross multiply
    3,820.26x = 5,730.48 × 1,223.22
  4. Step 4: Simplify right side
    3,820.26x = 7,009,637.75
  5. Step 5: Solve for x
    x = 7,009,637.75/3,820.26
  6. Step 6: Final answer
    x = 1,834.86

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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.