Home / 2,971.06-4,099.44-2,262.76

Finding the Fourth Proportional to 2,971.06, 4,099.44 and 2,262.76

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Solution

The fourth proportional to 2,971.06, 4,099.44 and 2,262.76 is: 3,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.06 : 4,099.44 = 2,262.76 : x
  2. Step 2: Convert to fraction form
    2,971.06/4,099.44 = 2,262.76/x
  3. Step 3: Cross multiply
    2,971.06x = 4,099.44 × 2,262.76
  4. Step 4: Simplify right side
    2,971.06x = 9,276,048.85
  5. Step 5: Solve for x
    x = 9,276,048.85/2,971.06
  6. Step 6: Final answer
    x = 3,122.13

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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.