Home / 2,847.89-4,274.04-1,976.51

Finding the Fourth Proportional to 2,847.89, 4,274.04 and 1,976.51

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Solution

The fourth proportional to 2,847.89, 4,274.04 and 1,976.51 is: 2,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.89 : 4,274.04 = 1,976.51 : x
  2. Step 2: Convert to fraction form
    2,847.89/4,274.04 = 1,976.51/x
  3. Step 3: Cross multiply
    2,847.89x = 4,274.04 × 1,976.51
  4. Step 4: Simplify right side
    2,847.89x = 8,447,661.43
  5. Step 5: Solve for x
    x = 8,447,661.43/2,847.89
  6. Step 6: Final answer
    x = 2,966.29

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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.