Home / 2,080.23-3,121.90-848.49

Finding the Fourth Proportional to 2,080.23, 3,121.90 and 848.49

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Solution

The fourth proportional to 2,080.23, 3,121.90 and 848.49 is: 1,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.23 : 3,121.90 = 848.49 : x
  2. Step 2: Convert to fraction form
    2,080.23/3,121.90 = 848.49/x
  3. Step 3: Cross multiply
    2,080.23x = 3,121.90 × 848.49
  4. Step 4: Simplify right side
    2,080.23x = 2,648,900.93
  5. Step 5: Solve for x
    x = 2,648,900.93/2,080.23
  6. Step 6: Final answer
    x = 1,273.37

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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.