Home / 2,920.85-4,382.30-1,823.93

Finding the Fourth Proportional to 2,920.85, 4,382.30 and 1,823.93

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Solution

The fourth proportional to 2,920.85, 4,382.30 and 1,823.93 is: 2,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.85 : 4,382.30 = 1,823.93 : x
  2. Step 2: Convert to fraction form
    2,920.85/4,382.30 = 1,823.93/x
  3. Step 3: Cross multiply
    2,920.85x = 4,382.30 × 1,823.93
  4. Step 4: Simplify right side
    2,920.85x = 7,993,008.44
  5. Step 5: Solve for x
    x = 7,993,008.44/2,920.85
  6. Step 6: Final answer
    x = 2,736.54

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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.