Home / 2,941.79-4,412.49-1,379.61

Finding the Fourth Proportional to 2,941.79, 4,412.49 and 1,379.61

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Solution

The fourth proportional to 2,941.79, 4,412.49 and 1,379.61 is: 2,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.79 : 4,412.49 = 1,379.61 : x
  2. Step 2: Convert to fraction form
    2,941.79/4,412.49 = 1,379.61/x
  3. Step 3: Cross multiply
    2,941.79x = 4,412.49 × 1,379.61
  4. Step 4: Simplify right side
    2,941.79x = 6,087,493.61
  5. Step 5: Solve for x
    x = 6,087,493.61/2,941.79
  6. Step 6: Final answer
    x = 2,069.31

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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.