Home / 2,769.06-3,821.40-1,589.91

Finding the Fourth Proportional to 2,769.06, 3,821.40 and 1,589.91

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Solution

The fourth proportional to 2,769.06, 3,821.40 and 1,589.91 is: 2,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.06 : 3,821.40 = 1,589.91 : x
  2. Step 2: Convert to fraction form
    2,769.06/3,821.40 = 1,589.91/x
  3. Step 3: Cross multiply
    2,769.06x = 3,821.40 × 1,589.91
  4. Step 4: Simplify right side
    2,769.06x = 6,075,682.07
  5. Step 5: Solve for x
    x = 6,075,682.07/2,769.06
  6. Step 6: Final answer
    x = 2,194.13

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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.