Home / 3,499.13-4,828.65-1,905.79

Finding the Fourth Proportional to 3,499.13, 4,828.65 and 1,905.79

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Solution

The fourth proportional to 3,499.13, 4,828.65 and 1,905.79 is: 2,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.13 : 4,828.65 = 1,905.79 : x
  2. Step 2: Convert to fraction form
    3,499.13/4,828.65 = 1,905.79/x
  3. Step 3: Cross multiply
    3,499.13x = 4,828.65 × 1,905.79
  4. Step 4: Simplify right side
    3,499.13x = 9,202,392.88
  5. Step 5: Solve for x
    x = 9,202,392.88/3,499.13
  6. Step 6: Final answer
    x = 2,629.91

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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.