Home / 2,190.27-3,269.81-2,113.38

Finding the Fourth Proportional to 2,190.27, 3,269.81 and 2,113.38

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Solution

The fourth proportional to 2,190.27, 3,269.81 and 2,113.38 is: 3,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.27 : 3,269.81 = 2,113.38 : x
  2. Step 2: Convert to fraction form
    2,190.27/3,269.81 = 2,113.38/x
  3. Step 3: Cross multiply
    2,190.27x = 3,269.81 × 2,113.38
  4. Step 4: Simplify right side
    2,190.27x = 6,910,344.45
  5. Step 5: Solve for x
    x = 6,910,344.45/2,190.27
  6. Step 6: Final answer
    x = 3,155.01

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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.