Home / 3,556.60-4,908.17-1,963.28

Finding the Fourth Proportional to 3,556.60, 4,908.17 and 1,963.28

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Solution

The fourth proportional to 3,556.60, 4,908.17 and 1,963.28 is: 2,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.60 : 4,908.17 = 1,963.28 : x
  2. Step 2: Convert to fraction form
    3,556.60/4,908.17 = 1,963.28/x
  3. Step 3: Cross multiply
    3,556.60x = 4,908.17 × 1,963.28
  4. Step 4: Simplify right side
    3,556.60x = 9,636,114.45
  5. Step 5: Solve for x
    x = 9,636,114.45/3,556.60
  6. Step 6: Final answer
    x = 2,709.36

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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.