Home / 1,676.34-2,311.96-1,257.62

Finding the Fourth Proportional to 1,676.34, 2,311.96 and 1,257.62

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Solution

The fourth proportional to 1,676.34, 2,311.96 and 1,257.62 is: 1,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.34 : 2,311.96 = 1,257.62 : x
  2. Step 2: Convert to fraction form
    1,676.34/2,311.96 = 1,257.62/x
  3. Step 3: Cross multiply
    1,676.34x = 2,311.96 × 1,257.62
  4. Step 4: Simplify right side
    1,676.34x = 2,907,567.41
  5. Step 5: Solve for x
    x = 2,907,567.41/1,676.34
  6. Step 6: Final answer
    x = 1,734.47

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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.