Home / 2,729.26-3,766.37-1,666.88

Finding the Fourth Proportional to 2,729.26, 3,766.37 and 1,666.88

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Solution

The fourth proportional to 2,729.26, 3,766.37 and 1,666.88 is: 2,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.26 : 3,766.37 = 1,666.88 : x
  2. Step 2: Convert to fraction form
    2,729.26/3,766.37 = 1,666.88/x
  3. Step 3: Cross multiply
    2,729.26x = 3,766.37 × 1,666.88
  4. Step 4: Simplify right side
    2,729.26x = 6,278,075.82
  5. Step 5: Solve for x
    x = 6,278,075.82/2,729.26
  6. Step 6: Final answer
    x = 2,300.28

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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.