Home / 1,722.21-2,583.51-551.94

Finding the Fourth Proportional to 1,722.21, 2,583.51 and 551.94

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Solution

The fourth proportional to 1,722.21, 2,583.51 and 551.94 is: 827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.21 : 2,583.51 = 551.94 : x
  2. Step 2: Convert to fraction form
    1,722.21/2,583.51 = 551.94/x
  3. Step 3: Cross multiply
    1,722.21x = 2,583.51 × 551.94
  4. Step 4: Simplify right side
    1,722.21x = 1,425,926.83
  5. Step 5: Solve for x
    x = 1,425,926.83/1,722.21
  6. Step 6: Final answer
    x = 827.96

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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.