Home / 3,254.46-4,855.86-3,179.80

Finding the Fourth Proportional to 3,254.46, 4,855.86 and 3,179.80

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Solution

The fourth proportional to 3,254.46, 4,855.86 and 3,179.80 is: 4,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.46 : 4,855.86 = 3,179.80 : x
  2. Step 2: Convert to fraction form
    3,254.46/4,855.86 = 3,179.80/x
  3. Step 3: Cross multiply
    3,254.46x = 4,855.86 × 3,179.80
  4. Step 4: Simplify right side
    3,254.46x = 15,440,663.63
  5. Step 5: Solve for x
    x = 15,440,663.63/3,254.46
  6. Step 6: Final answer
    x = 4,744.46

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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.