Home / 3,287.64-4,535.77-2,109.36

Finding the Fourth Proportional to 3,287.64, 4,535.77 and 2,109.36

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Solution

The fourth proportional to 3,287.64, 4,535.77 and 2,109.36 is: 2,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.64 : 4,535.77 = 2,109.36 : x
  2. Step 2: Convert to fraction form
    3,287.64/4,535.77 = 2,109.36/x
  3. Step 3: Cross multiply
    3,287.64x = 4,535.77 × 2,109.36
  4. Step 4: Simplify right side
    3,287.64x = 9,567,571.81
  5. Step 5: Solve for x
    x = 9,567,571.81/3,287.64
  6. Step 6: Final answer
    x = 2,910.16

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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.