Home / 3,057.97-4,220.08-1,660.72

Finding the Fourth Proportional to 3,057.97, 4,220.08 and 1,660.72

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Solution

The fourth proportional to 3,057.97, 4,220.08 and 1,660.72 is: 2,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.97 : 4,220.08 = 1,660.72 : x
  2. Step 2: Convert to fraction form
    3,057.97/4,220.08 = 1,660.72/x
  3. Step 3: Cross multiply
    3,057.97x = 4,220.08 × 1,660.72
  4. Step 4: Simplify right side
    3,057.97x = 7,008,371.26
  5. Step 5: Solve for x
    x = 7,008,371.26/3,057.97
  6. Step 6: Final answer
    x = 2,291.84

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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.