Home / 1,784.21-2,676.73-551.59

Finding the Fourth Proportional to 1,784.21, 2,676.73 and 551.59

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Solution

The fourth proportional to 1,784.21, 2,676.73 and 551.59 is: 827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.21 : 2,676.73 = 551.59 : x
  2. Step 2: Convert to fraction form
    1,784.21/2,676.73 = 551.59/x
  3. Step 3: Cross multiply
    1,784.21x = 2,676.73 × 551.59
  4. Step 4: Simplify right side
    1,784.21x = 1,476,457.50
  5. Step 5: Solve for x
    x = 1,476,457.50/1,784.21
  6. Step 6: Final answer
    x = 827.51

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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.