Home / 3,777.31-5,665.44-1,004.21

Finding the Fourth Proportional to 3,777.31, 5,665.44 and 1,004.21

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Solution

The fourth proportional to 3,777.31, 5,665.44 and 1,004.21 is: 1,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.31 : 5,665.44 = 1,004.21 : x
  2. Step 2: Convert to fraction form
    3,777.31/5,665.44 = 1,004.21/x
  3. Step 3: Cross multiply
    3,777.31x = 5,665.44 × 1,004.21
  4. Step 4: Simplify right side
    3,777.31x = 5,689,288.19
  5. Step 5: Solve for x
    x = 5,689,288.19/3,777.31
  6. Step 6: Final answer
    x = 1,506.17

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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.