Home / 1,973.03-2,721.62-1,226.44

Finding the Fourth Proportional to 1,973.03, 2,721.62 and 1,226.44

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Solution

The fourth proportional to 1,973.03, 2,721.62 and 1,226.44 is: 1,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.03 : 2,721.62 = 1,226.44 : x
  2. Step 2: Convert to fraction form
    1,973.03/2,721.62 = 1,226.44/x
  3. Step 3: Cross multiply
    1,973.03x = 2,721.62 × 1,226.44
  4. Step 4: Simplify right side
    1,973.03x = 3,337,903.20
  5. Step 5: Solve for x
    x = 3,337,903.20/1,973.03
  6. Step 6: Final answer
    x = 1,691.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.