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Finding the Fourth Proportional to 1,775.57, 2,450.25 and 1,067.49

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Solution

The fourth proportional to 1,775.57, 2,450.25 and 1,067.49 is: 1,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.57 : 2,450.25 = 1,067.49 : x
  2. Step 2: Convert to fraction form
    1,775.57/2,450.25 = 1,067.49/x
  3. Step 3: Cross multiply
    1,775.57x = 2,450.25 × 1,067.49
  4. Step 4: Simplify right side
    1,775.57x = 2,615,617.37
  5. Step 5: Solve for x
    x = 2,615,617.37/1,775.57
  6. Step 6: Final answer
    x = 1,473.12

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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.