Home / 2,724.30-3,755.16-2,133.81

Finding the Fourth Proportional to 2,724.30, 3,755.16 and 2,133.81

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Solution

The fourth proportional to 2,724.30, 3,755.16 and 2,133.81 is: 2,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.30 : 3,755.16 = 2,133.81 : x
  2. Step 2: Convert to fraction form
    2,724.30/3,755.16 = 2,133.81/x
  3. Step 3: Cross multiply
    2,724.30x = 3,755.16 × 2,133.81
  4. Step 4: Simplify right side
    2,724.30x = 8,012,797.96
  5. Step 5: Solve for x
    x = 8,012,797.96/2,724.30
  6. Step 6: Final answer
    x = 2,941.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.