Home / 2,790.08-4,184.52-1,230.56

Finding the Fourth Proportional to 2,790.08, 4,184.52 and 1,230.56

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Solution

The fourth proportional to 2,790.08, 4,184.52 and 1,230.56 is: 1,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.08 : 4,184.52 = 1,230.56 : x
  2. Step 2: Convert to fraction form
    2,790.08/4,184.52 = 1,230.56/x
  3. Step 3: Cross multiply
    2,790.08x = 4,184.52 × 1,230.56
  4. Step 4: Simplify right side
    2,790.08x = 5,149,302.93
  5. Step 5: Solve for x
    x = 5,149,302.93/2,790.08
  6. Step 6: Final answer
    x = 1,845.58

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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.