Home / 1,647.75-2,467.33-1,317.17

Finding the Fourth Proportional to 1,647.75, 2,467.33 and 1,317.17

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Solution

The fourth proportional to 1,647.75, 2,467.33 and 1,317.17 is: 1,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.75 : 2,467.33 = 1,317.17 : x
  2. Step 2: Convert to fraction form
    1,647.75/2,467.33 = 1,317.17/x
  3. Step 3: Cross multiply
    1,647.75x = 2,467.33 × 1,317.17
  4. Step 4: Simplify right side
    1,647.75x = 3,249,895.93
  5. Step 5: Solve for x
    x = 3,249,895.93/1,647.75
  6. Step 6: Final answer
    x = 1,972.32

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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.