Home / 1,822.51-2,732.05-1,377.09

Finding the Fourth Proportional to 1,822.51, 2,732.05 and 1,377.09

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Solution

The fourth proportional to 1,822.51, 2,732.05 and 1,377.09 is: 2,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.51 : 2,732.05 = 1,377.09 : x
  2. Step 2: Convert to fraction form
    1,822.51/2,732.05 = 1,377.09/x
  3. Step 3: Cross multiply
    1,822.51x = 2,732.05 × 1,377.09
  4. Step 4: Simplify right side
    1,822.51x = 3,762,290.70
  5. Step 5: Solve for x
    x = 3,762,290.70/1,822.51
  6. Step 6: Final answer
    x = 2,064.34

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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.