Home / 4,234.20-6,351.30-2,851.80

Finding the Fourth Proportional to 4,234.20, 6,351.30 and 2,851.80

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Solution

The fourth proportional to 4,234.20, 6,351.30 and 2,851.80 is: 4,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.20 : 6,351.30 = 2,851.80 : x
  2. Step 2: Convert to fraction form
    4,234.20/6,351.30 = 2,851.80/x
  3. Step 3: Cross multiply
    4,234.20x = 6,351.30 × 2,851.80
  4. Step 4: Simplify right side
    4,234.20x = 18,112,637.34
  5. Step 5: Solve for x
    x = 18,112,637.34/4,234.20
  6. Step 6: Final answer
    x = 4,277.70

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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.