Home / 3,812.05-5,260.84-2,133.36

Finding the Fourth Proportional to 3,812.05, 5,260.84 and 2,133.36

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Solution

The fourth proportional to 3,812.05, 5,260.84 and 2,133.36 is: 2,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.05 : 5,260.84 = 2,133.36 : x
  2. Step 2: Convert to fraction form
    3,812.05/5,260.84 = 2,133.36/x
  3. Step 3: Cross multiply
    3,812.05x = 5,260.84 × 2,133.36
  4. Step 4: Simplify right side
    3,812.05x = 11,223,254.96
  5. Step 5: Solve for x
    x = 11,223,254.96/3,812.05
  6. Step 6: Final answer
    x = 2,944.15

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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.