Home / 3,317.88-4,976.94-1,126.84

Finding the Fourth Proportional to 3,317.88, 4,976.94 and 1,126.84

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Solution

The fourth proportional to 3,317.88, 4,976.94 and 1,126.84 is: 1,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.88 : 4,976.94 = 1,126.84 : x
  2. Step 2: Convert to fraction form
    3,317.88/4,976.94 = 1,126.84/x
  3. Step 3: Cross multiply
    3,317.88x = 4,976.94 × 1,126.84
  4. Step 4: Simplify right side
    3,317.88x = 5,608,215.07
  5. Step 5: Solve for x
    x = 5,608,215.07/3,317.88
  6. Step 6: Final answer
    x = 1,690.30

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1.5x scale

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.