Home / 3,556.10-4,907.52-1,962.80

Finding the Fourth Proportional to 3,556.10, 4,907.52 and 1,962.80

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Solution

The fourth proportional to 3,556.10, 4,907.52 and 1,962.80 is: 2,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.10 : 4,907.52 = 1,962.80 : x
  2. Step 2: Convert to fraction form
    3,556.10/4,907.52 = 1,962.80/x
  3. Step 3: Cross multiply
    3,556.10x = 4,907.52 × 1,962.80
  4. Step 4: Simplify right side
    3,556.10x = 9,632,474.12
  5. Step 5: Solve for x
    x = 9,632,474.12/3,556.10
  6. Step 6: Final answer
    x = 2,708.72

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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.