Home / 3,058.21-4,220.31-1,660.96

Finding the Fourth Proportional to 3,058.21, 4,220.31 and 1,660.96

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Solution

The fourth proportional to 3,058.21, 4,220.31 and 1,660.96 is: 2,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.21 : 4,220.31 = 1,660.96 : x
  2. Step 2: Convert to fraction form
    3,058.21/4,220.31 = 1,660.96/x
  3. Step 3: Cross multiply
    3,058.21x = 4,220.31 × 1,660.96
  4. Step 4: Simplify right side
    3,058.21x = 7,009,766.10
  5. Step 5: Solve for x
    x = 7,009,766.10/3,058.21
  6. Step 6: Final answer
    x = 2,292.11

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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.