Home / 2,775.30-4,162.96-1,193.84

Finding the Fourth Proportional to 2,775.30, 4,162.96 and 1,193.84

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Solution

The fourth proportional to 2,775.30, 4,162.96 and 1,193.84 is: 1,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.30 : 4,162.96 = 1,193.84 : x
  2. Step 2: Convert to fraction form
    2,775.30/4,162.96 = 1,193.84/x
  3. Step 3: Cross multiply
    2,775.30x = 4,162.96 × 1,193.84
  4. Step 4: Simplify right side
    2,775.30x = 4,969,908.17
  5. Step 5: Solve for x
    x = 4,969,908.17/2,775.30
  6. Step 6: Final answer
    x = 1,790.76

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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.