Home / 3,556.98-4,910.49-2,160.18

Finding the Fourth Proportional to 3,556.98, 4,910.49 and 2,160.18

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Solution

The fourth proportional to 3,556.98, 4,910.49 and 2,160.18 is: 2,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.98 : 4,910.49 = 2,160.18 : x
  2. Step 2: Convert to fraction form
    3,556.98/4,910.49 = 2,160.18/x
  3. Step 3: Cross multiply
    3,556.98x = 4,910.49 × 2,160.18
  4. Step 4: Simplify right side
    3,556.98x = 10,607,542.29
  5. Step 5: Solve for x
    x = 10,607,542.29/3,556.98
  6. Step 6: Final answer
    x = 2,982.18

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1.5x scale

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.