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Finding the Fourth Proportional to 2,758.94, 3,807.25 and 1,579.79

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Solution

The fourth proportional to 2,758.94, 3,807.25 and 1,579.79 is: 2,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.94 : 3,807.25 = 1,579.79 : x
  2. Step 2: Convert to fraction form
    2,758.94/3,807.25 = 1,579.79/x
  3. Step 3: Cross multiply
    2,758.94x = 3,807.25 × 1,579.79
  4. Step 4: Simplify right side
    2,758.94x = 6,014,632.49
  5. Step 5: Solve for x
    x = 6,014,632.49/2,758.94
  6. Step 6: Final answer
    x = 2,180.05

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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.