Home / 3,883.84-5,824.41-1,286.08

Finding the Fourth Proportional to 3,883.84, 5,824.41 and 1,286.08

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Solution

The fourth proportional to 3,883.84, 5,824.41 and 1,286.08 is: 1,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.84 : 5,824.41 = 1,286.08 : x
  2. Step 2: Convert to fraction form
    3,883.84/5,824.41 = 1,286.08/x
  3. Step 3: Cross multiply
    3,883.84x = 5,824.41 × 1,286.08
  4. Step 4: Simplify right side
    3,883.84x = 7,490,657.21
  5. Step 5: Solve for x
    x = 7,490,657.21/3,883.84
  6. Step 6: Final answer
    x = 1,928.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.