Home / 2,828.10-3,901.52-1,693.14

Finding the Fourth Proportional to 2,828.10, 3,901.52 and 1,693.14

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Solution

The fourth proportional to 2,828.10, 3,901.52 and 1,693.14 is: 2,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.10 : 3,901.52 = 1,693.14 : x
  2. Step 2: Convert to fraction form
    2,828.10/3,901.52 = 1,693.14/x
  3. Step 3: Cross multiply
    2,828.10x = 3,901.52 × 1,693.14
  4. Step 4: Simplify right side
    2,828.10x = 6,605,811.11
  5. Step 5: Solve for x
    x = 6,605,811.11/2,828.10
  6. Step 6: Final answer
    x = 2,335.78

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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.