Home / 2,140.23-3,204.57-2,017.38

Finding the Fourth Proportional to 2,140.23, 3,204.57 and 2,017.38

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Solution

The fourth proportional to 2,140.23, 3,204.57 and 2,017.38 is: 3,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.23 : 3,204.57 = 2,017.38 : x
  2. Step 2: Convert to fraction form
    2,140.23/3,204.57 = 2,017.38/x
  3. Step 3: Cross multiply
    2,140.23x = 3,204.57 × 2,017.38
  4. Step 4: Simplify right side
    2,140.23x = 6,464,835.43
  5. Step 5: Solve for x
    x = 6,464,835.43/2,140.23
  6. Step 6: Final answer
    x = 3,020.63

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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.