Home / 3,245.22-4,860.81-1,857.87

Finding the Fourth Proportional to 3,245.22, 4,860.81 and 1,857.87

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Solution

The fourth proportional to 3,245.22, 4,860.81 and 1,857.87 is: 2,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.22 : 4,860.81 = 1,857.87 : x
  2. Step 2: Convert to fraction form
    3,245.22/4,860.81 = 1,857.87/x
  3. Step 3: Cross multiply
    3,245.22x = 4,860.81 × 1,857.87
  4. Step 4: Simplify right side
    3,245.22x = 9,030,753.07
  5. Step 5: Solve for x
    x = 9,030,753.07/3,245.22
  6. Step 6: Final answer
    x = 2,782.79

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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.