Home / 2,771.39-4,152.21-2,470.07

Finding the Fourth Proportional to 2,771.39, 4,152.21 and 2,470.07

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Solution

The fourth proportional to 2,771.39, 4,152.21 and 2,470.07 is: 3,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.39 : 4,152.21 = 2,470.07 : x
  2. Step 2: Convert to fraction form
    2,771.39/4,152.21 = 2,470.07/x
  3. Step 3: Cross multiply
    2,771.39x = 4,152.21 × 2,470.07
  4. Step 4: Simplify right side
    2,771.39x = 10,256,249.35
  5. Step 5: Solve for x
    x = 10,256,249.35/2,771.39
  6. Step 6: Final answer
    x = 3,700.76

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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.