Home / 2,669.14-3,998.23-1,788.94

Finding the Fourth Proportional to 2,669.14, 3,998.23 and 1,788.94

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Solution

The fourth proportional to 2,669.14, 3,998.23 and 1,788.94 is: 2,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.14 : 3,998.23 = 1,788.94 : x
  2. Step 2: Convert to fraction form
    2,669.14/3,998.23 = 1,788.94/x
  3. Step 3: Cross multiply
    2,669.14x = 3,998.23 × 1,788.94
  4. Step 4: Simplify right side
    2,669.14x = 7,152,593.58
  5. Step 5: Solve for x
    x = 7,152,593.58/2,669.14
  6. Step 6: Final answer
    x = 2,679.74

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1.5x scale

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.