Home / 3,185.03-4,394.58-1,857.98

Finding the Fourth Proportional to 3,185.03, 4,394.58 and 1,857.98

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Solution

The fourth proportional to 3,185.03, 4,394.58 and 1,857.98 is: 2,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.03 : 4,394.58 = 1,857.98 : x
  2. Step 2: Convert to fraction form
    3,185.03/4,394.58 = 1,857.98/x
  3. Step 3: Cross multiply
    3,185.03x = 4,394.58 × 1,857.98
  4. Step 4: Simplify right side
    3,185.03x = 8,165,041.75
  5. Step 5: Solve for x
    x = 8,165,041.75/3,185.03
  6. Step 6: Final answer
    x = 2,563.57

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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.