Home / 3,873.98-5,806.35-1,791.06

Finding the Fourth Proportional to 3,873.98, 5,806.35 and 1,791.06

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Solution

The fourth proportional to 3,873.98, 5,806.35 and 1,791.06 is: 2,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.98 : 5,806.35 = 1,791.06 : x
  2. Step 2: Convert to fraction form
    3,873.98/5,806.35 = 1,791.06/x
  3. Step 3: Cross multiply
    3,873.98x = 5,806.35 × 1,791.06
  4. Step 4: Simplify right side
    3,873.98x = 10,399,521.23
  5. Step 5: Solve for x
    x = 10,399,521.23/3,873.98
  6. Step 6: Final answer
    x = 2,684.45

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1.5x scale

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.