Home / 2,747.04-4,119.69-1,447.80

Finding the Fourth Proportional to 2,747.04, 4,119.69 and 1,447.80

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Solution

The fourth proportional to 2,747.04, 4,119.69 and 1,447.80 is: 2,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.04 : 4,119.69 = 1,447.80 : x
  2. Step 2: Convert to fraction form
    2,747.04/4,119.69 = 1,447.80/x
  3. Step 3: Cross multiply
    2,747.04x = 4,119.69 × 1,447.80
  4. Step 4: Simplify right side
    2,747.04x = 5,964,487.18
  5. Step 5: Solve for x
    x = 5,964,487.18/2,747.04
  6. Step 6: Final answer
    x = 2,171.24

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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.