Home / 2,843.42-3,923.69-1,584.41

Finding the Fourth Proportional to 2,843.42, 3,923.69 and 1,584.41

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Solution

The fourth proportional to 2,843.42, 3,923.69 and 1,584.41 is: 2,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.42 : 3,923.69 = 1,584.41 : x
  2. Step 2: Convert to fraction form
    2,843.42/3,923.69 = 1,584.41/x
  3. Step 3: Cross multiply
    2,843.42x = 3,923.69 × 1,584.41
  4. Step 4: Simplify right side
    2,843.42x = 6,216,706.13
  5. Step 5: Solve for x
    x = 6,216,706.13/2,843.42
  6. Step 6: Final answer
    x = 2,186.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.