Home / 2,680.35-4,021.10-1,037.37

Finding the Fourth Proportional to 2,680.35, 4,021.10 and 1,037.37

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Solution

The fourth proportional to 2,680.35, 4,021.10 and 1,037.37 is: 1,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.35 : 4,021.10 = 1,037.37 : x
  2. Step 2: Convert to fraction form
    2,680.35/4,021.10 = 1,037.37/x
  3. Step 3: Cross multiply
    2,680.35x = 4,021.10 × 1,037.37
  4. Step 4: Simplify right side
    2,680.35x = 4,171,363.32
  5. Step 5: Solve for x
    x = 4,171,363.32/2,680.35
  6. Step 6: Final answer
    x = 1,556.28

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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.