Home / 2,947.26-4,418.19-2,690.45

Finding the Fourth Proportional to 2,947.26, 4,418.19 and 2,690.45

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Solution

The fourth proportional to 2,947.26, 4,418.19 and 2,690.45 is: 4,033.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.26 : 4,418.19 = 2,690.45 : x
  2. Step 2: Convert to fraction form
    2,947.26/4,418.19 = 2,690.45/x
  3. Step 3: Cross multiply
    2,947.26x = 4,418.19 × 2,690.45
  4. Step 4: Simplify right side
    2,947.26x = 11,886,919.29
  5. Step 5: Solve for x
    x = 11,886,919.29/2,947.26
  6. Step 6: Final answer
    x = 4,033.21

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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.