Home / 1,612.12-2,418.82-1,609.56

Finding the Fourth Proportional to 1,612.12, 2,418.82 and 1,609.56

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Solution

The fourth proportional to 1,612.12, 2,418.82 and 1,609.56 is: 2,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.12 : 2,418.82 = 1,609.56 : x
  2. Step 2: Convert to fraction form
    1,612.12/2,418.82 = 1,609.56/x
  3. Step 3: Cross multiply
    1,612.12x = 2,418.82 × 1,609.56
  4. Step 4: Simplify right side
    1,612.12x = 3,893,235.92
  5. Step 5: Solve for x
    x = 3,893,235.92/1,612.12
  6. Step 6: Final answer
    x = 2,414.98

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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.