Home / 2,846.88-4,279.43-2,643.98

Finding the Fourth Proportional to 2,846.88, 4,279.43 and 2,643.98

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Solution

The fourth proportional to 2,846.88, 4,279.43 and 2,643.98 is: 3,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.88 : 4,279.43 = 2,643.98 : x
  2. Step 2: Convert to fraction form
    2,846.88/4,279.43 = 2,643.98/x
  3. Step 3: Cross multiply
    2,846.88x = 4,279.43 × 2,643.98
  4. Step 4: Simplify right side
    2,846.88x = 11,314,712.54
  5. Step 5: Solve for x
    x = 11,314,712.54/2,846.88
  6. Step 6: Final answer
    x = 3,974.43

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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.