Home / 3,678.21-5,512.46-1,484.33

Finding the Fourth Proportional to 3,678.21, 5,512.46 and 1,484.33

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Solution

The fourth proportional to 3,678.21, 5,512.46 and 1,484.33 is: 2,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.21 : 5,512.46 = 1,484.33 : x
  2. Step 2: Convert to fraction form
    3,678.21/5,512.46 = 1,484.33/x
  3. Step 3: Cross multiply
    3,678.21x = 5,512.46 × 1,484.33
  4. Step 4: Simplify right side
    3,678.21x = 8,182,274.77
  5. Step 5: Solve for x
    x = 8,182,274.77/3,678.21
  6. Step 6: Final answer
    x = 2,224.53

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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.