Home / 3,946.71-5,920.88-1,481.52

Finding the Fourth Proportional to 3,946.71, 5,920.88 and 1,481.52

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Solution

The fourth proportional to 3,946.71, 5,920.88 and 1,481.52 is: 2,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.71 : 5,920.88 = 1,481.52 : x
  2. Step 2: Convert to fraction form
    3,946.71/5,920.88 = 1,481.52/x
  3. Step 3: Cross multiply
    3,946.71x = 5,920.88 × 1,481.52
  4. Step 4: Simplify right side
    3,946.71x = 8,771,894.73
  5. Step 5: Solve for x
    x = 8,771,894.73/3,946.71
  6. Step 6: Final answer
    x = 2,222.58

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1.5x scale

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.