Home / 2,792.60-4,185.30-2,022.20

Finding the Fourth Proportional to 2,792.60, 4,185.30 and 2,022.20

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Solution

The fourth proportional to 2,792.60, 4,185.30 and 2,022.20 is: 3,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.60 : 4,185.30 = 2,022.20 : x
  2. Step 2: Convert to fraction form
    2,792.60/4,185.30 = 2,022.20/x
  3. Step 3: Cross multiply
    2,792.60x = 4,185.30 × 2,022.20
  4. Step 4: Simplify right side
    2,792.60x = 8,463,513.66
  5. Step 5: Solve for x
    x = 8,463,513.66/2,792.60
  6. Step 6: Final answer
    x = 3,030.69

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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.