Home / 3,058.23-4,222.16-2,218.13

Finding the Fourth Proportional to 3,058.23, 4,222.16 and 2,218.13

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Solution

The fourth proportional to 3,058.23, 4,222.16 and 2,218.13 is: 3,062.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.23 : 4,222.16 = 2,218.13 : x
  2. Step 2: Convert to fraction form
    3,058.23/4,222.16 = 2,218.13/x
  3. Step 3: Cross multiply
    3,058.23x = 4,222.16 × 2,218.13
  4. Step 4: Simplify right side
    3,058.23x = 9,365,267.56
  5. Step 5: Solve for x
    x = 9,365,267.56/3,058.23
  6. Step 6: Final answer
    x = 3,062.32

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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.