Home / 2,946.98-4,068.33-2,786.18

Finding the Fourth Proportional to 2,946.98, 4,068.33 and 2,786.18

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Solution

The fourth proportional to 2,946.98, 4,068.33 and 2,786.18 is: 3,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.98 : 4,068.33 = 2,786.18 : x
  2. Step 2: Convert to fraction form
    2,946.98/4,068.33 = 2,786.18/x
  3. Step 3: Cross multiply
    2,946.98x = 4,068.33 × 2,786.18
  4. Step 4: Simplify right side
    2,946.98x = 11,335,099.68
  5. Step 5: Solve for x
    x = 11,335,099.68/2,946.98
  6. Step 6: Final answer
    x = 3,846.34

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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.