Home / 3,946.52-5,918.66-1,479.52

Finding the Fourth Proportional to 3,946.52, 5,918.66 and 1,479.52

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Solution

The fourth proportional to 3,946.52, 5,918.66 and 1,479.52 is: 2,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.52 : 5,918.66 = 1,479.52 : x
  2. Step 2: Convert to fraction form
    3,946.52/5,918.66 = 1,479.52/x
  3. Step 3: Cross multiply
    3,946.52x = 5,918.66 × 1,479.52
  4. Step 4: Simplify right side
    3,946.52x = 8,756,775.84
  5. Step 5: Solve for x
    x = 8,756,775.84/3,946.52
  6. Step 6: Final answer
    x = 2,218.86

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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.