Home / 2,767.77-4,155.30-1,946.43

Finding the Fourth Proportional to 2,767.77, 4,155.30 and 1,946.43

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Solution

The fourth proportional to 2,767.77, 4,155.30 and 1,946.43 is: 2,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.77 : 4,155.30 = 1,946.43 : x
  2. Step 2: Convert to fraction form
    2,767.77/4,155.30 = 1,946.43/x
  3. Step 3: Cross multiply
    2,767.77x = 4,155.30 × 1,946.43
  4. Step 4: Simplify right side
    2,767.77x = 8,088,000.58
  5. Step 5: Solve for x
    x = 8,088,000.58/2,767.77
  6. Step 6: Final answer
    x = 2,922.21

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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.