Home / 2,776.03-4,161.97-1,680.13

Finding the Fourth Proportional to 2,776.03, 4,161.97 and 1,680.13

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Solution

The fourth proportional to 2,776.03, 4,161.97 and 1,680.13 is: 2,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.03 : 4,161.97 = 1,680.13 : x
  2. Step 2: Convert to fraction form
    2,776.03/4,161.97 = 1,680.13/x
  3. Step 3: Cross multiply
    2,776.03x = 4,161.97 × 1,680.13
  4. Step 4: Simplify right side
    2,776.03x = 6,992,636.05
  5. Step 5: Solve for x
    x = 6,992,636.05/2,776.03
  6. Step 6: Final answer
    x = 2,518.94

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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.