Home / 2,245.95-3,370.40-1,013.30

Finding the Fourth Proportional to 2,245.95, 3,370.40 and 1,013.30

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Solution

The fourth proportional to 2,245.95, 3,370.40 and 1,013.30 is: 1,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.95 : 3,370.40 = 1,013.30 : x
  2. Step 2: Convert to fraction form
    2,245.95/3,370.40 = 1,013.30/x
  3. Step 3: Cross multiply
    2,245.95x = 3,370.40 × 1,013.30
  4. Step 4: Simplify right side
    2,245.95x = 3,415,204.40
  5. Step 5: Solve for x
    x = 3,415,204.40/2,245.95
  6. Step 6: Final answer
    x = 1,520.61

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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.