Home / 2,792.09-4,157.73-2,761.40

Finding the Fourth Proportional to 2,792.09, 4,157.73 and 2,761.40

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Solution

The fourth proportional to 2,792.09, 4,157.73 and 2,761.40 is: 4,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.09 : 4,157.73 = 2,761.40 : x
  2. Step 2: Convert to fraction form
    2,792.09/4,157.73 = 2,761.40/x
  3. Step 3: Cross multiply
    2,792.09x = 4,157.73 × 2,761.40
  4. Step 4: Simplify right side
    2,792.09x = 11,481,134.83
  5. Step 5: Solve for x
    x = 11,481,134.83/2,792.09
  6. Step 6: Final answer
    x = 4,112.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.