Home / 2,981.24-4,114.31-2,097.33

Finding the Fourth Proportional to 2,981.24, 4,114.31 and 2,097.33

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Solution

The fourth proportional to 2,981.24, 4,114.31 and 2,097.33 is: 2,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.24 : 4,114.31 = 2,097.33 : x
  2. Step 2: Convert to fraction form
    2,981.24/4,114.31 = 2,097.33/x
  3. Step 3: Cross multiply
    2,981.24x = 4,114.31 × 2,097.33
  4. Step 4: Simplify right side
    2,981.24x = 8,629,065.79
  5. Step 5: Solve for x
    x = 8,629,065.79/2,981.24
  6. Step 6: Final answer
    x = 2,894.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.