Home / 2,853.26-4,277.64-1,872.19

Finding the Fourth Proportional to 2,853.26, 4,277.64 and 1,872.19

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Solution

The fourth proportional to 2,853.26, 4,277.64 and 1,872.19 is: 2,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.26 : 4,277.64 = 1,872.19 : x
  2. Step 2: Convert to fraction form
    2,853.26/4,277.64 = 1,872.19/x
  3. Step 3: Cross multiply
    2,853.26x = 4,277.64 × 1,872.19
  4. Step 4: Simplify right side
    2,853.26x = 8,008,554.83
  5. Step 5: Solve for x
    x = 8,008,554.83/2,853.26
  6. Step 6: Final answer
    x = 2,806.81

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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.