Home / 3,134.70-4,326.63-2,072.67

Finding the Fourth Proportional to 3,134.70, 4,326.63 and 2,072.67

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Solution

The fourth proportional to 3,134.70, 4,326.63 and 2,072.67 is: 2,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.70 : 4,326.63 = 2,072.67 : x
  2. Step 2: Convert to fraction form
    3,134.70/4,326.63 = 2,072.67/x
  3. Step 3: Cross multiply
    3,134.70x = 4,326.63 × 2,072.67
  4. Step 4: Simplify right side
    3,134.70x = 8,967,676.20
  5. Step 5: Solve for x
    x = 8,967,676.20/3,134.70
  6. Step 6: Final answer
    x = 2,860.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.