Home / 2,067.85-2,845.17-1,787.19

Finding the Fourth Proportional to 2,067.85, 2,845.17 and 1,787.19

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Solution

The fourth proportional to 2,067.85, 2,845.17 and 1,787.19 is: 2,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.85 : 2,845.17 = 1,787.19 : x
  2. Step 2: Convert to fraction form
    2,067.85/2,845.17 = 1,787.19/x
  3. Step 3: Cross multiply
    2,067.85x = 2,845.17 × 1,787.19
  4. Step 4: Simplify right side
    2,067.85x = 5,084,859.37
  5. Step 5: Solve for x
    x = 5,084,859.37/2,067.85
  6. Step 6: Final answer
    x = 2,459.01

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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.