Home / 3,349.76-5,028.96-1,811.84

Finding the Fourth Proportional to 3,349.76, 5,028.96 and 1,811.84

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Solution

The fourth proportional to 3,349.76, 5,028.96 and 1,811.84 is: 2,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.76 : 5,028.96 = 1,811.84 : x
  2. Step 2: Convert to fraction form
    3,349.76/5,028.96 = 1,811.84/x
  3. Step 3: Cross multiply
    3,349.76x = 5,028.96 × 1,811.84
  4. Step 4: Simplify right side
    3,349.76x = 9,111,670.89
  5. Step 5: Solve for x
    x = 9,111,670.89/3,349.76
  6. Step 6: Final answer
    x = 2,720.10

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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.