Home / 3,843.78-5,302.44-2,269.14

Finding the Fourth Proportional to 3,843.78, 5,302.44 and 2,269.14

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Solution

The fourth proportional to 3,843.78, 5,302.44 and 2,269.14 is: 3,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.78 : 5,302.44 = 2,269.14 : x
  2. Step 2: Convert to fraction form
    3,843.78/5,302.44 = 2,269.14/x
  3. Step 3: Cross multiply
    3,843.78x = 5,302.44 × 2,269.14
  4. Step 4: Simplify right side
    3,843.78x = 12,031,978.70
  5. Step 5: Solve for x
    x = 12,031,978.70/3,843.78
  6. Step 6: Final answer
    x = 3,130.25

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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.