Home / 2,908.54-4,012.37-1,728.77

Finding the Fourth Proportional to 2,908.54, 4,012.37 and 1,728.77

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Solution

The fourth proportional to 2,908.54, 4,012.37 and 1,728.77 is: 2,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.54 : 4,012.37 = 1,728.77 : x
  2. Step 2: Convert to fraction form
    2,908.54/4,012.37 = 1,728.77/x
  3. Step 3: Cross multiply
    2,908.54x = 4,012.37 × 1,728.77
  4. Step 4: Simplify right side
    2,908.54x = 6,936,464.88
  5. Step 5: Solve for x
    x = 6,936,464.88/2,908.54
  6. Step 6: Final answer
    x = 2,384.86

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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.