Home / 2,522.62-3,776.01-1,688.05

Finding the Fourth Proportional to 2,522.62, 3,776.01 and 1,688.05

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Solution

The fourth proportional to 2,522.62, 3,776.01 and 1,688.05 is: 2,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,522.62 : 3,776.01 = 1,688.05 : x
  2. Step 2: Convert to fraction form
    2,522.62/3,776.01 = 1,688.05/x
  3. Step 3: Cross multiply
    2,522.62x = 3,776.01 × 1,688.05
  4. Step 4: Simplify right side
    2,522.62x = 6,374,093.68
  5. Step 5: Solve for x
    x = 6,374,093.68/2,522.62
  6. Step 6: Final answer
    x = 2,526.78

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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.