Home / 3,278.58-4,913.07-1,892.34

Finding the Fourth Proportional to 3,278.58, 4,913.07 and 1,892.34

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Solution

The fourth proportional to 3,278.58, 4,913.07 and 1,892.34 is: 2,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.58 : 4,913.07 = 1,892.34 : x
  2. Step 2: Convert to fraction form
    3,278.58/4,913.07 = 1,892.34/x
  3. Step 3: Cross multiply
    3,278.58x = 4,913.07 × 1,892.34
  4. Step 4: Simplify right side
    3,278.58x = 9,297,198.88
  5. Step 5: Solve for x
    x = 9,297,198.88/3,278.58
  6. Step 6: Final answer
    x = 2,835.74

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1.5x scale

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.