Home / 2,647.08-3,968.19-1,347.03

Finding the Fourth Proportional to 2,647.08, 3,968.19 and 1,347.03

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Solution

The fourth proportional to 2,647.08, 3,968.19 and 1,347.03 is: 2,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.08 : 3,968.19 = 1,347.03 : x
  2. Step 2: Convert to fraction form
    2,647.08/3,968.19 = 1,347.03/x
  3. Step 3: Cross multiply
    2,647.08x = 3,968.19 × 1,347.03
  4. Step 4: Simplify right side
    2,647.08x = 5,345,270.98
  5. Step 5: Solve for x
    x = 5,345,270.98/2,647.08
  6. Step 6: Final answer
    x = 2,019.31

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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.