Home / 2,821.36-4,232.96-1,360.68

Finding the Fourth Proportional to 2,821.36, 4,232.96 and 1,360.68

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Solution

The fourth proportional to 2,821.36, 4,232.96 and 1,360.68 is: 2,041.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.36 : 4,232.96 = 1,360.68 : x
  2. Step 2: Convert to fraction form
    2,821.36/4,232.96 = 1,360.68/x
  3. Step 3: Cross multiply
    2,821.36x = 4,232.96 × 1,360.68
  4. Step 4: Simplify right side
    2,821.36x = 5,759,704.01
  5. Step 5: Solve for x
    x = 5,759,704.01/2,821.36
  6. Step 6: Final answer
    x = 2,041.46

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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.