Home / 3,357.80-5,036.70-2,823.20

Finding the Fourth Proportional to 3,357.80, 5,036.70 and 2,823.20

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Solution

The fourth proportional to 3,357.80, 5,036.70 and 2,823.20 is: 4,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.80 : 5,036.70 = 2,823.20 : x
  2. Step 2: Convert to fraction form
    3,357.80/5,036.70 = 2,823.20/x
  3. Step 3: Cross multiply
    3,357.80x = 5,036.70 × 2,823.20
  4. Step 4: Simplify right side
    3,357.80x = 14,219,611.44
  5. Step 5: Solve for x
    x = 14,219,611.44/3,357.80
  6. Step 6: Final answer
    x = 4,234.80

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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.