Home / 3,189.96-4,784.08-2,149.36

Finding the Fourth Proportional to 3,189.96, 4,784.08 and 2,149.36

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Solution

The fourth proportional to 3,189.96, 4,784.08 and 2,149.36 is: 3,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.96 : 4,784.08 = 2,149.36 : x
  2. Step 2: Convert to fraction form
    3,189.96/4,784.08 = 2,149.36/x
  3. Step 3: Cross multiply
    3,189.96x = 4,784.08 × 2,149.36
  4. Step 4: Simplify right side
    3,189.96x = 10,282,710.19
  5. Step 5: Solve for x
    x = 10,282,710.19/3,189.96
  6. Step 6: Final answer
    x = 3,223.46

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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.