Home / 3,571.84-5,357.78-1,106.61

Finding the Fourth Proportional to 3,571.84, 5,357.78 and 1,106.61

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Solution

The fourth proportional to 3,571.84, 5,357.78 and 1,106.61 is: 1,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.84 : 5,357.78 = 1,106.61 : x
  2. Step 2: Convert to fraction form
    3,571.84/5,357.78 = 1,106.61/x
  3. Step 3: Cross multiply
    3,571.84x = 5,357.78 × 1,106.61
  4. Step 4: Simplify right side
    3,571.84x = 5,928,972.93
  5. Step 5: Solve for x
    x = 5,928,972.93/3,571.84
  6. Step 6: Final answer
    x = 1,659.92

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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.