Home / 2,245.75-3,368.80-1,013.85

Finding the Fourth Proportional to 2,245.75, 3,368.80 and 1,013.85

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Solution

The fourth proportional to 2,245.75, 3,368.80 and 1,013.85 is: 1,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.75 : 3,368.80 = 1,013.85 : x
  2. Step 2: Convert to fraction form
    2,245.75/3,368.80 = 1,013.85/x
  3. Step 3: Cross multiply
    2,245.75x = 3,368.80 × 1,013.85
  4. Step 4: Simplify right side
    2,245.75x = 3,415,457.88
  5. Step 5: Solve for x
    x = 3,415,457.88/2,245.75
  6. Step 6: Final answer
    x = 1,520.85

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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.