Home / 3,199.55-4,791.02-2,740.28

Finding the Fourth Proportional to 3,199.55, 4,791.02 and 2,740.28

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Solution

The fourth proportional to 3,199.55, 4,791.02 and 2,740.28 is: 4,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.55 : 4,791.02 = 2,740.28 : x
  2. Step 2: Convert to fraction form
    3,199.55/4,791.02 = 2,740.28/x
  3. Step 3: Cross multiply
    3,199.55x = 4,791.02 × 2,740.28
  4. Step 4: Simplify right side
    3,199.55x = 13,128,698.63
  5. Step 5: Solve for x
    x = 13,128,698.63/3,199.55
  6. Step 6: Final answer
    x = 4,103.30

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1.5x scale

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.