Home / 3,385.36-5,074.62-1,627.78

Finding the Fourth Proportional to 3,385.36, 5,074.62 and 1,627.78

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Solution

The fourth proportional to 3,385.36, 5,074.62 and 1,627.78 is: 2,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.36 : 5,074.62 = 1,627.78 : x
  2. Step 2: Convert to fraction form
    3,385.36/5,074.62 = 1,627.78/x
  3. Step 3: Cross multiply
    3,385.36x = 5,074.62 × 1,627.78
  4. Step 4: Simplify right side
    3,385.36x = 8,260,364.94
  5. Step 5: Solve for x
    x = 8,260,364.94/3,385.36
  6. Step 6: Final answer
    x = 2,440.03

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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.