Home / 3,058.17-4,220.19-1,660.92

Finding the Fourth Proportional to 3,058.17, 4,220.19 and 1,660.92

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Solution

The fourth proportional to 3,058.17, 4,220.19 and 1,660.92 is: 2,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.17 : 4,220.19 = 1,660.92 : x
  2. Step 2: Convert to fraction form
    3,058.17/4,220.19 = 1,660.92/x
  3. Step 3: Cross multiply
    3,058.17x = 4,220.19 × 1,660.92
  4. Step 4: Simplify right side
    3,058.17x = 7,009,397.97
  5. Step 5: Solve for x
    x = 7,009,397.97/3,058.17
  6. Step 6: Final answer
    x = 2,292.02

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Half scale
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Double scale
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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.