Home / 3,158.46-4,738.23-1,771.20

Finding the Fourth Proportional to 3,158.46, 4,738.23 and 1,771.20

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Solution

The fourth proportional to 3,158.46, 4,738.23 and 1,771.20 is: 2,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.46 : 4,738.23 = 1,771.20 : x
  2. Step 2: Convert to fraction form
    3,158.46/4,738.23 = 1,771.20/x
  3. Step 3: Cross multiply
    3,158.46x = 4,738.23 × 1,771.20
  4. Step 4: Simplify right side
    3,158.46x = 8,392,352.98
  5. Step 5: Solve for x
    x = 8,392,352.98/3,158.46
  6. Step 6: Final answer
    x = 2,657.10

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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.