Home / 1,973.15-2,722.84-1,227.09

Finding the Fourth Proportional to 1,973.15, 2,722.84 and 1,227.09

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Solution

The fourth proportional to 1,973.15, 2,722.84 and 1,227.09 is: 1,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.15 : 2,722.84 = 1,227.09 : x
  2. Step 2: Convert to fraction form
    1,973.15/2,722.84 = 1,227.09/x
  3. Step 3: Cross multiply
    1,973.15x = 2,722.84 × 1,227.09
  4. Step 4: Simplify right side
    1,973.15x = 3,341,153.05
  5. Step 5: Solve for x
    x = 3,341,153.05/1,973.15
  6. Step 6: Final answer
    x = 1,693.31

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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.