Home / 3,243.36-4,865.88-1,857.36

Finding the Fourth Proportional to 3,243.36, 4,865.88 and 1,857.36

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Solution

The fourth proportional to 3,243.36, 4,865.88 and 1,857.36 is: 2,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.36 : 4,865.88 = 1,857.36 : x
  2. Step 2: Convert to fraction form
    3,243.36/4,865.88 = 1,857.36/x
  3. Step 3: Cross multiply
    3,243.36x = 4,865.88 × 1,857.36
  4. Step 4: Simplify right side
    3,243.36x = 9,037,690.88
  5. Step 5: Solve for x
    x = 9,037,690.88/3,243.36
  6. Step 6: Final answer
    x = 2,786.52

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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.