Home / 3,042.23-4,556.41-2,118.48

Finding the Fourth Proportional to 3,042.23, 4,556.41 and 2,118.48

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Solution

The fourth proportional to 3,042.23, 4,556.41 and 2,118.48 is: 3,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.23 : 4,556.41 = 2,118.48 : x
  2. Step 2: Convert to fraction form
    3,042.23/4,556.41 = 2,118.48/x
  3. Step 3: Cross multiply
    3,042.23x = 4,556.41 × 2,118.48
  4. Step 4: Simplify right side
    3,042.23x = 9,652,640.67
  5. Step 5: Solve for x
    x = 9,652,640.67/3,042.23
  6. Step 6: Final answer
    x = 3,172.89

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1.5x scale

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.