Home / 2,836.76-4,234.34-2,628.28

Finding the Fourth Proportional to 2,836.76, 4,234.34 and 2,628.28

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Solution

The fourth proportional to 2,836.76, 4,234.34 and 2,628.28 is: 3,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.76 : 4,234.34 = 2,628.28 : x
  2. Step 2: Convert to fraction form
    2,836.76/4,234.34 = 2,628.28/x
  3. Step 3: Cross multiply
    2,836.76x = 4,234.34 × 2,628.28
  4. Step 4: Simplify right side
    2,836.76x = 11,129,043.00
  5. Step 5: Solve for x
    x = 11,129,043.00/2,836.76
  6. Step 6: Final answer
    x = 3,923.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.