Home / 3,179.58-4,763.25-2,840.46

Finding the Fourth Proportional to 3,179.58, 4,763.25 and 2,840.46

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Solution

The fourth proportional to 3,179.58, 4,763.25 and 2,840.46 is: 4,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.58 : 4,763.25 = 2,840.46 : x
  2. Step 2: Convert to fraction form
    3,179.58/4,763.25 = 2,840.46/x
  3. Step 3: Cross multiply
    3,179.58x = 4,763.25 × 2,840.46
  4. Step 4: Simplify right side
    3,179.58x = 13,529,821.10
  5. Step 5: Solve for x
    x = 13,529,821.10/3,179.58
  6. Step 6: Final answer
    x = 4,255.22

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1.5x scale

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.