Home / 2,792.17-4,185.30-942.64

Finding the Fourth Proportional to 2,792.17, 4,185.30 and 942.64

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Solution

The fourth proportional to 2,792.17, 4,185.30 and 942.64 is: 1,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.17 : 4,185.30 = 942.64 : x
  2. Step 2: Convert to fraction form
    2,792.17/4,185.30 = 942.64/x
  3. Step 3: Cross multiply
    2,792.17x = 4,185.30 × 942.64
  4. Step 4: Simplify right side
    2,792.17x = 3,945,231.19
  5. Step 5: Solve for x
    x = 3,945,231.19/2,792.17
  6. Step 6: Final answer
    x = 1,412.96

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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.