Home / 3,881.27-5,812.86-2,838.67

Finding the Fourth Proportional to 3,881.27, 5,812.86 and 2,838.67

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Solution

The fourth proportional to 3,881.27, 5,812.86 and 2,838.67 is: 4,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.27 : 5,812.86 = 2,838.67 : x
  2. Step 2: Convert to fraction form
    3,881.27/5,812.86 = 2,838.67/x
  3. Step 3: Cross multiply
    3,881.27x = 5,812.86 × 2,838.67
  4. Step 4: Simplify right side
    3,881.27x = 16,500,762.23
  5. Step 5: Solve for x
    x = 16,500,762.23/3,881.27
  6. Step 6: Final answer
    x = 4,251.38

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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.