Home / 3,116.70-4,670.97-1,265.64

Finding the Fourth Proportional to 3,116.70, 4,670.97 and 1,265.64

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Solution

The fourth proportional to 3,116.70, 4,670.97 and 1,265.64 is: 1,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.70 : 4,670.97 = 1,265.64 : x
  2. Step 2: Convert to fraction form
    3,116.70/4,670.97 = 1,265.64/x
  3. Step 3: Cross multiply
    3,116.70x = 4,670.97 × 1,265.64
  4. Step 4: Simplify right side
    3,116.70x = 5,911,766.47
  5. Step 5: Solve for x
    x = 5,911,766.47/3,116.70
  6. Step 6: Final answer
    x = 1,896.80

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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.