Home / 2,765.25-4,147.62-1,775.46

Finding the Fourth Proportional to 2,765.25, 4,147.62 and 1,775.46

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Solution

The fourth proportional to 2,765.25, 4,147.62 and 1,775.46 is: 2,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.25 : 4,147.62 = 1,775.46 : x
  2. Step 2: Convert to fraction form
    2,765.25/4,147.62 = 1,775.46/x
  3. Step 3: Cross multiply
    2,765.25x = 4,147.62 × 1,775.46
  4. Step 4: Simplify right side
    2,765.25x = 7,363,933.41
  5. Step 5: Solve for x
    x = 7,363,933.41/2,765.25
  6. Step 6: Final answer
    x = 2,663.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.