Home / 3,556.90-4,908.58-1,963.62

Finding the Fourth Proportional to 3,556.90, 4,908.58 and 1,963.62

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Solution

The fourth proportional to 3,556.90, 4,908.58 and 1,963.62 is: 2,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.90 : 4,908.58 = 1,963.62 : x
  2. Step 2: Convert to fraction form
    3,556.90/4,908.58 = 1,963.62/x
  3. Step 3: Cross multiply
    3,556.90x = 4,908.58 × 1,963.62
  4. Step 4: Simplify right side
    3,556.90x = 9,638,585.86
  5. Step 5: Solve for x
    x = 9,638,585.86/3,556.90
  6. Step 6: Final answer
    x = 2,709.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.