Home / 2,910.03-4,012.74-2,162.76

Finding the Fourth Proportional to 2,910.03, 4,012.74 and 2,162.76

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Solution

The fourth proportional to 2,910.03, 4,012.74 and 2,162.76 is: 2,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.03 : 4,012.74 = 2,162.76 : x
  2. Step 2: Convert to fraction form
    2,910.03/4,012.74 = 2,162.76/x
  3. Step 3: Cross multiply
    2,910.03x = 4,012.74 × 2,162.76
  4. Step 4: Simplify right side
    2,910.03x = 8,678,593.56
  5. Step 5: Solve for x
    x = 8,678,593.56/2,910.03
  6. Step 6: Final answer
    x = 2,982.30

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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.