Home / 2,083.75-3,135.65-1,716.21

Finding the Fourth Proportional to 2,083.75, 3,135.65 and 1,716.21

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Solution

The fourth proportional to 2,083.75, 3,135.65 and 1,716.21 is: 2,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.75 : 3,135.65 = 1,716.21 : x
  2. Step 2: Convert to fraction form
    2,083.75/3,135.65 = 1,716.21/x
  3. Step 3: Cross multiply
    2,083.75x = 3,135.65 × 1,716.21
  4. Step 4: Simplify right side
    2,083.75x = 5,381,425.31
  5. Step 5: Solve for x
    x = 5,381,425.31/2,083.75
  6. Step 6: Final answer
    x = 2,582.57

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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.