Home / 2,790.05-3,849.45-1,595

Finding the Fourth Proportional to 2,790.05, 3,849.45 and 1,595

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Solution

The fourth proportional to 2,790.05, 3,849.45 and 1,595 is: 2,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.05 : 3,849.45 = 1,595 : x
  2. Step 2: Convert to fraction form
    2,790.05/3,849.45 = 1,595/x
  3. Step 3: Cross multiply
    2,790.05x = 3,849.45 × 1,595
  4. Step 4: Simplify right side
    2,790.05x = 6,139,872.75
  5. Step 5: Solve for x
    x = 6,139,872.75/2,790.05
  6. Step 6: Final answer
    x = 2,200.63

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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.