Home / 3,820.16-5,727.36-1,970.48

Finding the Fourth Proportional to 3,820.16, 5,727.36 and 1,970.48

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Solution

The fourth proportional to 3,820.16, 5,727.36 and 1,970.48 is: 2,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.16 : 5,727.36 = 1,970.48 : x
  2. Step 2: Convert to fraction form
    3,820.16/5,727.36 = 1,970.48/x
  3. Step 3: Cross multiply
    3,820.16x = 5,727.36 × 1,970.48
  4. Step 4: Simplify right side
    3,820.16x = 11,285,648.33
  5. Step 5: Solve for x
    x = 11,285,648.33/3,820.16
  6. Step 6: Final answer
    x = 2,954.23

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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.