Home / 3,218.93-4,828.77-1,968.93

Finding the Fourth Proportional to 3,218.93, 4,828.77 and 1,968.93

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Solution

The fourth proportional to 3,218.93, 4,828.77 and 1,968.93 is: 2,953.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.93 : 4,828.77 = 1,968.93 : x
  2. Step 2: Convert to fraction form
    3,218.93/4,828.77 = 1,968.93/x
  3. Step 3: Cross multiply
    3,218.93x = 4,828.77 × 1,968.93
  4. Step 4: Simplify right side
    3,218.93x = 9,507,494.52
  5. Step 5: Solve for x
    x = 9,507,494.52/3,218.93
  6. Step 6: Final answer
    x = 2,953.62

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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.