Home / 3,058.62-4,220.89-1,661.37

Finding the Fourth Proportional to 3,058.62, 4,220.89 and 1,661.37

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Solution

The fourth proportional to 3,058.62, 4,220.89 and 1,661.37 is: 2,292.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.62 : 4,220.89 = 1,661.37 : x
  2. Step 2: Convert to fraction form
    3,058.62/4,220.89 = 1,661.37/x
  3. Step 3: Cross multiply
    3,058.62x = 4,220.89 × 1,661.37
  4. Step 4: Simplify right side
    3,058.62x = 7,012,451.71
  5. Step 5: Solve for x
    x = 7,012,451.71/3,058.62
  6. Step 6: Final answer
    x = 2,292.68

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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.