Home / 2,726.19-4,089.42-2,080.89

Finding the Fourth Proportional to 2,726.19, 4,089.42 and 2,080.89

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Solution

The fourth proportional to 2,726.19, 4,089.42 and 2,080.89 is: 3,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.19 : 4,089.42 = 2,080.89 : x
  2. Step 2: Convert to fraction form
    2,726.19/4,089.42 = 2,080.89/x
  3. Step 3: Cross multiply
    2,726.19x = 4,089.42 × 2,080.89
  4. Step 4: Simplify right side
    2,726.19x = 8,509,633.18
  5. Step 5: Solve for x
    x = 8,509,633.18/2,726.19
  6. Step 6: Final answer
    x = 3,121.44

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1.5x scale

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.