Home / 3,470.10-5,208.46-3,228.78

Finding the Fourth Proportional to 3,470.10, 5,208.46 and 3,228.78

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Solution

The fourth proportional to 3,470.10, 5,208.46 and 3,228.78 is: 4,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.10 : 5,208.46 = 3,228.78 : x
  2. Step 2: Convert to fraction form
    3,470.10/5,208.46 = 3,228.78/x
  3. Step 3: Cross multiply
    3,470.10x = 5,208.46 × 3,228.78
  4. Step 4: Simplify right side
    3,470.10x = 16,816,971.48
  5. Step 5: Solve for x
    x = 16,816,971.48/3,470.10
  6. Step 6: Final answer
    x = 4,846.25

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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.