Home / 3,287.36-4,930.83-1,339.51

Finding the Fourth Proportional to 3,287.36, 4,930.83 and 1,339.51

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Solution

The fourth proportional to 3,287.36, 4,930.83 and 1,339.51 is: 2,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.36 : 4,930.83 = 1,339.51 : x
  2. Step 2: Convert to fraction form
    3,287.36/4,930.83 = 1,339.51/x
  3. Step 3: Cross multiply
    3,287.36x = 4,930.83 × 1,339.51
  4. Step 4: Simplify right side
    3,287.36x = 6,604,883.77
  5. Step 5: Solve for x
    x = 6,604,883.77/3,287.36
  6. Step 6: Final answer
    x = 2,009.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.