Home / 1,786.04-2,675.85-1,258.43

Finding the Fourth Proportional to 1,786.04, 2,675.85 and 1,258.43

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Solution

The fourth proportional to 1,786.04, 2,675.85 and 1,258.43 is: 1,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.04 : 2,675.85 = 1,258.43 : x
  2. Step 2: Convert to fraction form
    1,786.04/2,675.85 = 1,258.43/x
  3. Step 3: Cross multiply
    1,786.04x = 2,675.85 × 1,258.43
  4. Step 4: Simplify right side
    1,786.04x = 3,367,356.54
  5. Step 5: Solve for x
    x = 3,367,356.54/1,786.04
  6. Step 6: Final answer
    x = 1,885.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.