Home / 2,792.14-4,187.73-790.97

Finding the Fourth Proportional to 2,792.14, 4,187.73 and 790.97

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Solution

The fourth proportional to 2,792.14, 4,187.73 and 790.97 is: 1,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.14 : 4,187.73 = 790.97 : x
  2. Step 2: Convert to fraction form
    2,792.14/4,187.73 = 790.97/x
  3. Step 3: Cross multiply
    2,792.14x = 4,187.73 × 790.97
  4. Step 4: Simplify right side
    2,792.14x = 3,312,368.80
  5. Step 5: Solve for x
    x = 3,312,368.80/2,792.14
  6. Step 6: Final answer
    x = 1,186.32

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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.