Home / 2,270.07-3,147.23-2,189.88

Finding the Fourth Proportional to 2,270.07, 3,147.23 and 2,189.88

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Solution

The fourth proportional to 2,270.07, 3,147.23 and 2,189.88 is: 3,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.07 : 3,147.23 = 2,189.88 : x
  2. Step 2: Convert to fraction form
    2,270.07/3,147.23 = 2,189.88/x
  3. Step 3: Cross multiply
    2,270.07x = 3,147.23 × 2,189.88
  4. Step 4: Simplify right side
    2,270.07x = 6,892,045.08
  5. Step 5: Solve for x
    x = 6,892,045.08/2,270.07
  6. Step 6: Final answer
    x = 3,036.05

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.