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Finding the Fourth Proportional to 1,682.95, 2,522.87 and 903.50

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Solution

The fourth proportional to 1,682.95, 2,522.87 and 903.50 is: 1,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.95 : 2,522.87 = 903.50 : x
  2. Step 2: Convert to fraction form
    1,682.95/2,522.87 = 903.50/x
  3. Step 3: Cross multiply
    1,682.95x = 2,522.87 × 903.50
  4. Step 4: Simplify right side
    1,682.95x = 2,279,413.05
  5. Step 5: Solve for x
    x = 2,279,413.05/1,682.95
  6. Step 6: Final answer
    x = 1,354.42

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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.