Home / 3,812.25-5,260.32-2,133.57

Finding the Fourth Proportional to 3,812.25, 5,260.32 and 2,133.57

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Solution

The fourth proportional to 3,812.25, 5,260.32 and 2,133.57 is: 2,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.25 : 5,260.32 = 2,133.57 : x
  2. Step 2: Convert to fraction form
    3,812.25/5,260.32 = 2,133.57/x
  3. Step 3: Cross multiply
    3,812.25x = 5,260.32 × 2,133.57
  4. Step 4: Simplify right side
    3,812.25x = 11,223,260.94
  5. Step 5: Solve for x
    x = 11,223,260.94/3,812.25
  6. Step 6: Final answer
    x = 2,944.00

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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.