Home / 3,783.81-5,222.32-2,292.55

Finding the Fourth Proportional to 3,783.81, 5,222.32 and 2,292.55

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Solution

The fourth proportional to 3,783.81, 5,222.32 and 2,292.55 is: 3,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.81 : 5,222.32 = 2,292.55 : x
  2. Step 2: Convert to fraction form
    3,783.81/5,222.32 = 2,292.55/x
  3. Step 3: Cross multiply
    3,783.81x = 5,222.32 × 2,292.55
  4. Step 4: Simplify right side
    3,783.81x = 11,972,453.20
  5. Step 5: Solve for x
    x = 11,972,453.20/3,783.81
  6. Step 6: Final answer
    x = 3,164.12

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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.