Home / 3,343.02-5,014.60-1,121.84

Finding the Fourth Proportional to 3,343.02, 5,014.60 and 1,121.84

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Solution

The fourth proportional to 3,343.02, 5,014.60 and 1,121.84 is: 1,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.02 : 5,014.60 = 1,121.84 : x
  2. Step 2: Convert to fraction form
    3,343.02/5,014.60 = 1,121.84/x
  3. Step 3: Cross multiply
    3,343.02x = 5,014.60 × 1,121.84
  4. Step 4: Simplify right side
    3,343.02x = 5,625,578.86
  5. Step 5: Solve for x
    x = 5,625,578.86/3,343.02
  6. Step 6: Final answer
    x = 1,682.78

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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.