Home / 3,811.20-5,718.32-1,346.27

Finding the Fourth Proportional to 3,811.20, 5,718.32 and 1,346.27

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Solution

The fourth proportional to 3,811.20, 5,718.32 and 1,346.27 is: 2,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.20 : 5,718.32 = 1,346.27 : x
  2. Step 2: Convert to fraction form
    3,811.20/5,718.32 = 1,346.27/x
  3. Step 3: Cross multiply
    3,811.20x = 5,718.32 × 1,346.27
  4. Step 4: Simplify right side
    3,811.20x = 7,698,402.67
  5. Step 5: Solve for x
    x = 7,698,402.67/3,811.20
  6. Step 6: Final answer
    x = 2,019.94

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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.