Home / 1,784.90-2,676.75-551.97

Finding the Fourth Proportional to 1,784.90, 2,676.75 and 551.97

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Solution

The fourth proportional to 1,784.90, 2,676.75 and 551.97 is: 827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.90 : 2,676.75 = 551.97 : x
  2. Step 2: Convert to fraction form
    1,784.90/2,676.75 = 551.97/x
  3. Step 3: Cross multiply
    1,784.90x = 2,676.75 × 551.97
  4. Step 4: Simplify right side
    1,784.90x = 1,477,485.70
  5. Step 5: Solve for x
    x = 1,477,485.70/1,784.90
  6. Step 6: Final answer
    x = 827.77

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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.