Home / 2,025.63-3,036.62-726.80

Finding the Fourth Proportional to 2,025.63, 3,036.62 and 726.80

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Solution

The fourth proportional to 2,025.63, 3,036.62 and 726.80 is: 1,089.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.63 : 3,036.62 = 726.80 : x
  2. Step 2: Convert to fraction form
    2,025.63/3,036.62 = 726.80/x
  3. Step 3: Cross multiply
    2,025.63x = 3,036.62 × 726.80
  4. Step 4: Simplify right side
    2,025.63x = 2,207,002.05
  5. Step 5: Solve for x
    x = 2,207,002.05/2,025.63
  6. Step 6: Final answer
    x = 1,089.54

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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.