Home / 2,310.90-3,467.78-1,077.68

Finding the Fourth Proportional to 2,310.90, 3,467.78 and 1,077.68

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Solution

The fourth proportional to 2,310.90, 3,467.78 and 1,077.68 is: 1,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.90 : 3,467.78 = 1,077.68 : x
  2. Step 2: Convert to fraction form
    2,310.90/3,467.78 = 1,077.68/x
  3. Step 3: Cross multiply
    2,310.90x = 3,467.78 × 1,077.68
  4. Step 4: Simplify right side
    2,310.90x = 3,737,157.15
  5. Step 5: Solve for x
    x = 3,737,157.15/2,310.90
  6. Step 6: Final answer
    x = 1,617.19

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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.