Home / 2,137.23-3,190.54-2,042.67

Finding the Fourth Proportional to 2,137.23, 3,190.54 and 2,042.67

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Solution

The fourth proportional to 2,137.23, 3,190.54 and 2,042.67 is: 3,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.23 : 3,190.54 = 2,042.67 : x
  2. Step 2: Convert to fraction form
    2,137.23/3,190.54 = 2,042.67/x
  3. Step 3: Cross multiply
    2,137.23x = 3,190.54 × 2,042.67
  4. Step 4: Simplify right side
    2,137.23x = 6,517,215.24
  5. Step 5: Solve for x
    x = 6,517,215.24/2,137.23
  6. Step 6: Final answer
    x = 3,049.37

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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.