Home / 3,251.80-4,874.58-1,607.56

Finding the Fourth Proportional to 3,251.80, 4,874.58 and 1,607.56

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Solution

The fourth proportional to 3,251.80, 4,874.58 and 1,607.56 is: 2,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.80 : 4,874.58 = 1,607.56 : x
  2. Step 2: Convert to fraction form
    3,251.80/4,874.58 = 1,607.56/x
  3. Step 3: Cross multiply
    3,251.80x = 4,874.58 × 1,607.56
  4. Step 4: Simplify right side
    3,251.80x = 7,836,179.82
  5. Step 5: Solve for x
    x = 7,836,179.82/3,251.80
  6. Step 6: Final answer
    x = 2,409.80

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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.