Home / 2,729.70-3,765.89-1,610.25

Finding the Fourth Proportional to 2,729.70, 3,765.89 and 1,610.25

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Solution

The fourth proportional to 2,729.70, 3,765.89 and 1,610.25 is: 2,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.70 : 3,765.89 = 1,610.25 : x
  2. Step 2: Convert to fraction form
    2,729.70/3,765.89 = 1,610.25/x
  3. Step 3: Cross multiply
    2,729.70x = 3,765.89 × 1,610.25
  4. Step 4: Simplify right side
    2,729.70x = 6,064,014.28
  5. Step 5: Solve for x
    x = 6,064,014.28/2,729.70
  6. Step 6: Final answer
    x = 2,221.49

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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.