Home / 3,837.78-5,296.77-2,266.74

Finding the Fourth Proportional to 3,837.78, 5,296.77 and 2,266.74

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Solution

The fourth proportional to 3,837.78, 5,296.77 and 2,266.74 is: 3,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.78 : 5,296.77 = 2,266.74 : x
  2. Step 2: Convert to fraction form
    3,837.78/5,296.77 = 2,266.74/x
  3. Step 3: Cross multiply
    3,837.78x = 5,296.77 × 2,266.74
  4. Step 4: Simplify right side
    3,837.78x = 12,006,400.43
  5. Step 5: Solve for x
    x = 12,006,400.43/3,837.78
  6. Step 6: Final answer
    x = 3,128.48

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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.