Home / 2,771.54-4,126.53-2,732.79

Finding the Fourth Proportional to 2,771.54, 4,126.53 and 2,732.79

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Solution

The fourth proportional to 2,771.54, 4,126.53 and 2,732.79 is: 4,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.54 : 4,126.53 = 2,732.79 : x
  2. Step 2: Convert to fraction form
    2,771.54/4,126.53 = 2,732.79/x
  3. Step 3: Cross multiply
    2,771.54x = 4,126.53 × 2,732.79
  4. Step 4: Simplify right side
    2,771.54x = 11,276,939.92
  5. Step 5: Solve for x
    x = 11,276,939.92/2,771.54
  6. Step 6: Final answer
    x = 4,068.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.