Home / 2,811.36-4,217.06-1,843.59

Finding the Fourth Proportional to 2,811.36, 4,217.06 and 1,843.59

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Solution

The fourth proportional to 2,811.36, 4,217.06 and 1,843.59 is: 2,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811.36 : 4,217.06 = 1,843.59 : x
  2. Step 2: Convert to fraction form
    2,811.36/4,217.06 = 1,843.59/x
  3. Step 3: Cross multiply
    2,811.36x = 4,217.06 × 1,843.59
  4. Step 4: Simplify right side
    2,811.36x = 7,774,529.65
  5. Step 5: Solve for x
    x = 7,774,529.65/2,811.36
  6. Step 6: Final answer
    x = 2,765.40

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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.