Home / 2,946.01-4,418.94-1,279.79

Finding the Fourth Proportional to 2,946.01, 4,418.94 and 1,279.79

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Solution

The fourth proportional to 2,946.01, 4,418.94 and 1,279.79 is: 1,919.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.01 : 4,418.94 = 1,279.79 : x
  2. Step 2: Convert to fraction form
    2,946.01/4,418.94 = 1,279.79/x
  3. Step 3: Cross multiply
    2,946.01x = 4,418.94 × 1,279.79
  4. Step 4: Simplify right side
    2,946.01x = 5,655,315.22
  5. Step 5: Solve for x
    x = 5,655,315.22/2,946.01
  6. Step 6: Final answer
    x = 1,919.65

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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.