Home / 3,843.72-5,302.44-2,271.06

Finding the Fourth Proportional to 3,843.72, 5,302.44 and 2,271.06

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Solution

The fourth proportional to 3,843.72, 5,302.44 and 2,271.06 is: 3,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.72 : 5,302.44 = 2,271.06 : x
  2. Step 2: Convert to fraction form
    3,843.72/5,302.44 = 2,271.06/x
  3. Step 3: Cross multiply
    3,843.72x = 5,302.44 × 2,271.06
  4. Step 4: Simplify right side
    3,843.72x = 12,042,159.39
  5. Step 5: Solve for x
    x = 12,042,159.39/3,843.72
  6. Step 6: Final answer
    x = 3,132.94

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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.