Home / 1,571.93-2,166.96-1,198.26

Finding the Fourth Proportional to 1,571.93, 2,166.96 and 1,198.26

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Solution

The fourth proportional to 1,571.93, 2,166.96 and 1,198.26 is: 1,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.93 : 2,166.96 = 1,198.26 : x
  2. Step 2: Convert to fraction form
    1,571.93/2,166.96 = 1,198.26/x
  3. Step 3: Cross multiply
    1,571.93x = 2,166.96 × 1,198.26
  4. Step 4: Simplify right side
    1,571.93x = 2,596,581.49
  5. Step 5: Solve for x
    x = 2,596,581.49/1,571.93
  6. Step 6: Final answer
    x = 1,651.85

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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.