Home / 3,468.46-5,205.43-1,618.63

Finding the Fourth Proportional to 3,468.46, 5,205.43 and 1,618.63

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Solution

The fourth proportional to 3,468.46, 5,205.43 and 1,618.63 is: 2,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.46 : 5,205.43 = 1,618.63 : x
  2. Step 2: Convert to fraction form
    3,468.46/5,205.43 = 1,618.63/x
  3. Step 3: Cross multiply
    3,468.46x = 5,205.43 × 1,618.63
  4. Step 4: Simplify right side
    3,468.46x = 8,425,665.16
  5. Step 5: Solve for x
    x = 8,425,665.16/3,468.46
  6. Step 6: Final answer
    x = 2,429.22

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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.