Home / 2,798.55-4,198.33-1,411.93

Finding the Fourth Proportional to 2,798.55, 4,198.33 and 1,411.93

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Solution

The fourth proportional to 2,798.55, 4,198.33 and 1,411.93 is: 2,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.55 : 4,198.33 = 1,411.93 : x
  2. Step 2: Convert to fraction form
    2,798.55/4,198.33 = 1,411.93/x
  3. Step 3: Cross multiply
    2,798.55x = 4,198.33 × 1,411.93
  4. Step 4: Simplify right side
    2,798.55x = 5,927,755.09
  5. Step 5: Solve for x
    x = 5,927,755.09/2,798.55
  6. Step 6: Final answer
    x = 2,118.15

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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.