Home / 3,176.07-4,765.22-1,420.92

Finding the Fourth Proportional to 3,176.07, 4,765.22 and 1,420.92

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Solution

The fourth proportional to 3,176.07, 4,765.22 and 1,420.92 is: 2,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.07 : 4,765.22 = 1,420.92 : x
  2. Step 2: Convert to fraction form
    3,176.07/4,765.22 = 1,420.92/x
  3. Step 3: Cross multiply
    3,176.07x = 4,765.22 × 1,420.92
  4. Step 4: Simplify right side
    3,176.07x = 6,770,996.40
  5. Step 5: Solve for x
    x = 6,770,996.40/3,176.07
  6. Step 6: Final answer
    x = 2,131.88

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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.