Home / 3,467.84-5,198.85-1,275.30

Finding the Fourth Proportional to 3,467.84, 5,198.85 and 1,275.30

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Solution

The fourth proportional to 3,467.84, 5,198.85 and 1,275.30 is: 1,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.84 : 5,198.85 = 1,275.30 : x
  2. Step 2: Convert to fraction form
    3,467.84/5,198.85 = 1,275.30/x
  3. Step 3: Cross multiply
    3,467.84x = 5,198.85 × 1,275.30
  4. Step 4: Simplify right side
    3,467.84x = 6,630,093.41
  5. Step 5: Solve for x
    x = 6,630,093.41/3,467.84
  6. Step 6: Final answer
    x = 1,911.88

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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.