Home / 2,765.26-3,816.86-1,646.98

Finding the Fourth Proportional to 2,765.26, 3,816.86 and 1,646.98

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Solution

The fourth proportional to 2,765.26, 3,816.86 and 1,646.98 is: 2,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.26 : 3,816.86 = 1,646.98 : x
  2. Step 2: Convert to fraction form
    2,765.26/3,816.86 = 1,646.98/x
  3. Step 3: Cross multiply
    2,765.26x = 3,816.86 × 1,646.98
  4. Step 4: Simplify right side
    2,765.26x = 6,286,292.08
  5. Step 5: Solve for x
    x = 6,286,292.08/2,765.26
  6. Step 6: Final answer
    x = 2,273.31

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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.