Home / 4,150.85-6,228.72-1,685.48

Finding the Fourth Proportional to 4,150.85, 6,228.72 and 1,685.48

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Solution

The fourth proportional to 4,150.85, 6,228.72 and 1,685.48 is: 2,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.85 : 6,228.72 = 1,685.48 : x
  2. Step 2: Convert to fraction form
    4,150.85/6,228.72 = 1,685.48/x
  3. Step 3: Cross multiply
    4,150.85x = 6,228.72 × 1,685.48
  4. Step 4: Simplify right side
    4,150.85x = 10,498,351.84
  5. Step 5: Solve for x
    x = 10,498,351.84/4,150.85
  6. Step 6: Final answer
    x = 2,529.21

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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.