Home / 2,974.08-4,104.23-1,647.98

Finding the Fourth Proportional to 2,974.08, 4,104.23 and 1,647.98

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Solution

The fourth proportional to 2,974.08, 4,104.23 and 1,647.98 is: 2,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.08 : 4,104.23 = 1,647.98 : x
  2. Step 2: Convert to fraction form
    2,974.08/4,104.23 = 1,647.98/x
  3. Step 3: Cross multiply
    2,974.08x = 4,104.23 × 1,647.98
  4. Step 4: Simplify right side
    2,974.08x = 6,763,675.59
  5. Step 5: Solve for x
    x = 6,763,675.59/2,974.08
  6. Step 6: Final answer
    x = 2,274.20

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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.