Home / 2,771.23-4,159.57-1,677.73

Finding the Fourth Proportional to 2,771.23, 4,159.57 and 1,677.73

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Solution

The fourth proportional to 2,771.23, 4,159.57 and 1,677.73 is: 2,518.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.23 : 4,159.57 = 1,677.73 : x
  2. Step 2: Convert to fraction form
    2,771.23/4,159.57 = 1,677.73/x
  3. Step 3: Cross multiply
    2,771.23x = 4,159.57 × 1,677.73
  4. Step 4: Simplify right side
    2,771.23x = 6,978,617.72
  5. Step 5: Solve for x
    x = 6,978,617.72/2,771.23
  6. Step 6: Final answer
    x = 2,518.24

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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.