Home / 3,985.83-5,976.66-1,792.68

Finding the Fourth Proportional to 3,985.83, 5,976.66 and 1,792.68

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Solution

The fourth proportional to 3,985.83, 5,976.66 and 1,792.68 is: 2,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.83 : 5,976.66 = 1,792.68 : x
  2. Step 2: Convert to fraction form
    3,985.83/5,976.66 = 1,792.68/x
  3. Step 3: Cross multiply
    3,985.83x = 5,976.66 × 1,792.68
  4. Step 4: Simplify right side
    3,985.83x = 10,714,238.85
  5. Step 5: Solve for x
    x = 10,714,238.85/3,985.83
  6. Step 6: Final answer
    x = 2,688.08

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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.