Home / 3,058.10-4,220.19-1,660.84

Finding the Fourth Proportional to 3,058.10, 4,220.19 and 1,660.84

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Solution

The fourth proportional to 3,058.10, 4,220.19 and 1,660.84 is: 2,291.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.10 : 4,220.19 = 1,660.84 : x
  2. Step 2: Convert to fraction form
    3,058.10/4,220.19 = 1,660.84/x
  3. Step 3: Cross multiply
    3,058.10x = 4,220.19 × 1,660.84
  4. Step 4: Simplify right side
    3,058.10x = 7,009,060.36
  5. Step 5: Solve for x
    x = 7,009,060.36/3,058.10
  6. Step 6: Final answer
    x = 2,291.97

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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.