Home / 3,058.26-4,218.22-2,806.99

Finding the Fourth Proportional to 3,058.26, 4,218.22 and 2,806.99

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Solution

The fourth proportional to 3,058.26, 4,218.22 and 2,806.99 is: 3,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.26 : 4,218.22 = 2,806.99 : x
  2. Step 2: Convert to fraction form
    3,058.26/4,218.22 = 2,806.99/x
  3. Step 3: Cross multiply
    3,058.26x = 4,218.22 × 2,806.99
  4. Step 4: Simplify right side
    3,058.26x = 11,840,487.32
  5. Step 5: Solve for x
    x = 11,840,487.32/3,058.26
  6. Step 6: Final answer
    x = 3,871.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.