Home / 3,166.14-4,369.01-1,821.68

Finding the Fourth Proportional to 3,166.14, 4,369.01 and 1,821.68

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Solution

The fourth proportional to 3,166.14, 4,369.01 and 1,821.68 is: 2,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.14 : 4,369.01 = 1,821.68 : x
  2. Step 2: Convert to fraction form
    3,166.14/4,369.01 = 1,821.68/x
  3. Step 3: Cross multiply
    3,166.14x = 4,369.01 × 1,821.68
  4. Step 4: Simplify right side
    3,166.14x = 7,958,907.18
  5. Step 5: Solve for x
    x = 7,958,907.18/3,166.14
  6. Step 6: Final answer
    x = 2,513.76

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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.