Home / 3,788.76-5,226.49-2,607.78

Finding the Fourth Proportional to 3,788.76, 5,226.49 and 2,607.78

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Solution

The fourth proportional to 3,788.76, 5,226.49 and 2,607.78 is: 3,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.76 : 5,226.49 = 2,607.78 : x
  2. Step 2: Convert to fraction form
    3,788.76/5,226.49 = 2,607.78/x
  3. Step 3: Cross multiply
    3,788.76x = 5,226.49 × 2,607.78
  4. Step 4: Simplify right side
    3,788.76x = 13,629,536.09
  5. Step 5: Solve for x
    x = 13,629,536.09/3,788.76
  6. Step 6: Final answer
    x = 3,597.36

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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.