Home / 3,274.40-4,911.60-1,738.40

Finding the Fourth Proportional to 3,274.40, 4,911.60 and 1,738.40

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Solution

The fourth proportional to 3,274.40, 4,911.60 and 1,738.40 is: 2,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.40 : 4,911.60 = 1,738.40 : x
  2. Step 2: Convert to fraction form
    3,274.40/4,911.60 = 1,738.40/x
  3. Step 3: Cross multiply
    3,274.40x = 4,911.60 × 1,738.40
  4. Step 4: Simplify right side
    3,274.40x = 8,538,325.44
  5. Step 5: Solve for x
    x = 8,538,325.44/3,274.40
  6. Step 6: Final answer
    x = 2,607.60

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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.