Home / 2,079.09-3,100.23-2,042.19

Finding the Fourth Proportional to 2,079.09, 3,100.23 and 2,042.19

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Solution

The fourth proportional to 2,079.09, 3,100.23 and 2,042.19 is: 3,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.09 : 3,100.23 = 2,042.19 : x
  2. Step 2: Convert to fraction form
    2,079.09/3,100.23 = 2,042.19/x
  3. Step 3: Cross multiply
    2,079.09x = 3,100.23 × 2,042.19
  4. Step 4: Simplify right side
    2,079.09x = 6,331,258.70
  5. Step 5: Solve for x
    x = 6,331,258.70/2,079.09
  6. Step 6: Final answer
    x = 3,045.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.