Home / 2,982.69-4,476.93-2,150.61

Finding the Fourth Proportional to 2,982.69, 4,476.93 and 2,150.61

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Solution

The fourth proportional to 2,982.69, 4,476.93 and 2,150.61 is: 3,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.69 : 4,476.93 = 2,150.61 : x
  2. Step 2: Convert to fraction form
    2,982.69/4,476.93 = 2,150.61/x
  3. Step 3: Cross multiply
    2,982.69x = 4,476.93 × 2,150.61
  4. Step 4: Simplify right side
    2,982.69x = 9,628,130.43
  5. Step 5: Solve for x
    x = 9,628,130.43/2,982.69
  6. Step 6: Final answer
    x = 3,228.00

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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.