Home / 3,556.49-4,908.45-1,984.69

Finding the Fourth Proportional to 3,556.49, 4,908.45 and 1,984.69

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Solution

The fourth proportional to 3,556.49, 4,908.45 and 1,984.69 is: 2,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.49 : 4,908.45 = 1,984.69 : x
  2. Step 2: Convert to fraction form
    3,556.49/4,908.45 = 1,984.69/x
  3. Step 3: Cross multiply
    3,556.49x = 4,908.45 × 1,984.69
  4. Step 4: Simplify right side
    3,556.49x = 9,741,746.80
  5. Step 5: Solve for x
    x = 9,741,746.80/3,556.49
  6. Step 6: Final answer
    x = 2,739.14

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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.