Home / 3,021.24-4,168.76-1,695

Finding the Fourth Proportional to 3,021.24, 4,168.76 and 1,695

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Solution

The fourth proportional to 3,021.24, 4,168.76 and 1,695 is: 2,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.24 : 4,168.76 = 1,695 : x
  2. Step 2: Convert to fraction form
    3,021.24/4,168.76 = 1,695/x
  3. Step 3: Cross multiply
    3,021.24x = 4,168.76 × 1,695
  4. Step 4: Simplify right side
    3,021.24x = 7,066,048.20
  5. Step 5: Solve for x
    x = 7,066,048.20/3,021.24
  6. Step 6: Final answer
    x = 2,338.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.