Home / 3,465.56-5,198.38-1,929.80

Finding the Fourth Proportional to 3,465.56, 5,198.38 and 1,929.80

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Solution

The fourth proportional to 3,465.56, 5,198.38 and 1,929.80 is: 2,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.56 : 5,198.38 = 1,929.80 : x
  2. Step 2: Convert to fraction form
    3,465.56/5,198.38 = 1,929.80/x
  3. Step 3: Cross multiply
    3,465.56x = 5,198.38 × 1,929.80
  4. Step 4: Simplify right side
    3,465.56x = 10,031,833.72
  5. Step 5: Solve for x
    x = 10,031,833.72/3,465.56
  6. Step 6: Final answer
    x = 2,894.72

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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.