Home / 3,289.40-4,539.36-1,797.28

Finding the Fourth Proportional to 3,289.40, 4,539.36 and 1,797.28

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Solution

The fourth proportional to 3,289.40, 4,539.36 and 1,797.28 is: 2,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.40 : 4,539.36 = 1,797.28 : x
  2. Step 2: Convert to fraction form
    3,289.40/4,539.36 = 1,797.28/x
  3. Step 3: Cross multiply
    3,289.40x = 4,539.36 × 1,797.28
  4. Step 4: Simplify right side
    3,289.40x = 8,158,500.94
  5. Step 5: Solve for x
    x = 8,158,500.94/3,289.40
  6. Step 6: Final answer
    x = 2,480.24

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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.