Home / 4,219.80-6,326.40-2,576.04

Finding the Fourth Proportional to 4,219.80, 6,326.40 and 2,576.04

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Solution

The fourth proportional to 4,219.80, 6,326.40 and 2,576.04 is: 3,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.80 : 6,326.40 = 2,576.04 : x
  2. Step 2: Convert to fraction form
    4,219.80/6,326.40 = 2,576.04/x
  3. Step 3: Cross multiply
    4,219.80x = 6,326.40 × 2,576.04
  4. Step 4: Simplify right side
    4,219.80x = 16,297,059.46
  5. Step 5: Solve for x
    x = 16,297,059.46/4,219.80
  6. Step 6: Final answer
    x = 3,862.05

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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.