Home / 2,634.21-3,952.26-1,317.87

Finding the Fourth Proportional to 2,634.21, 3,952.26 and 1,317.87

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Solution

The fourth proportional to 2,634.21, 3,952.26 and 1,317.87 is: 1,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.21 : 3,952.26 = 1,317.87 : x
  2. Step 2: Convert to fraction form
    2,634.21/3,952.26 = 1,317.87/x
  3. Step 3: Cross multiply
    2,634.21x = 3,952.26 × 1,317.87
  4. Step 4: Simplify right side
    2,634.21x = 5,208,564.89
  5. Step 5: Solve for x
    x = 5,208,564.89/2,634.21
  6. Step 6: Final answer
    x = 1,977.28

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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.