Home / 2,110.85-3,166.46-551.06

Finding the Fourth Proportional to 2,110.85, 3,166.46 and 551.06

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Solution

The fourth proportional to 2,110.85, 3,166.46 and 551.06 is: 826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.85 : 3,166.46 = 551.06 : x
  2. Step 2: Convert to fraction form
    2,110.85/3,166.46 = 551.06/x
  3. Step 3: Cross multiply
    2,110.85x = 3,166.46 × 551.06
  4. Step 4: Simplify right side
    2,110.85x = 1,744,909.45
  5. Step 5: Solve for x
    x = 1,744,909.45/2,110.85
  6. Step 6: Final answer
    x = 826.64

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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.