Home / 2,647.77-3,971.79-1,004.45

Finding the Fourth Proportional to 2,647.77, 3,971.79 and 1,004.45

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Solution

The fourth proportional to 2,647.77, 3,971.79 and 1,004.45 is: 1,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.77 : 3,971.79 = 1,004.45 : x
  2. Step 2: Convert to fraction form
    2,647.77/3,971.79 = 1,004.45/x
  3. Step 3: Cross multiply
    2,647.77x = 3,971.79 × 1,004.45
  4. Step 4: Simplify right side
    2,647.77x = 3,989,474.39
  5. Step 5: Solve for x
    x = 3,989,474.39/2,647.77
  6. Step 6: Final answer
    x = 1,506.73

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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.