Home / 2,305.58-3,181.98-1,310.95

Finding the Fourth Proportional to 2,305.58, 3,181.98 and 1,310.95

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Solution

The fourth proportional to 2,305.58, 3,181.98 and 1,310.95 is: 1,809.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.58 : 3,181.98 = 1,310.95 : x
  2. Step 2: Convert to fraction form
    2,305.58/3,181.98 = 1,310.95/x
  3. Step 3: Cross multiply
    2,305.58x = 3,181.98 × 1,310.95
  4. Step 4: Simplify right side
    2,305.58x = 4,171,425.57
  5. Step 5: Solve for x
    x = 4,171,425.57/2,305.58
  6. Step 6: Final answer
    x = 1,809.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.