Home / 2,278.34-3,144.44-2,137.62

Finding the Fourth Proportional to 2,278.34, 3,144.44 and 2,137.62

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Solution

The fourth proportional to 2,278.34, 3,144.44 and 2,137.62 is: 2,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.34 : 3,144.44 = 2,137.62 : x
  2. Step 2: Convert to fraction form
    2,278.34/3,144.44 = 2,137.62/x
  3. Step 3: Cross multiply
    2,278.34x = 3,144.44 × 2,137.62
  4. Step 4: Simplify right side
    2,278.34x = 6,721,634.97
  5. Step 5: Solve for x
    x = 6,721,634.97/2,278.34
  6. Step 6: Final answer
    x = 2,950.24

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1.5x scale

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.