Home / 3,485.63-5,228.45-1,635.39

Finding the Fourth Proportional to 3,485.63, 5,228.45 and 1,635.39

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Solution

The fourth proportional to 3,485.63, 5,228.45 and 1,635.39 is: 2,453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.63 : 5,228.45 = 1,635.39 : x
  2. Step 2: Convert to fraction form
    3,485.63/5,228.45 = 1,635.39/x
  3. Step 3: Cross multiply
    3,485.63x = 5,228.45 × 1,635.39
  4. Step 4: Simplify right side
    3,485.63x = 8,550,552.80
  5. Step 5: Solve for x
    x = 8,550,552.80/3,485.63
  6. Step 6: Final answer
    x = 2,453.09

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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.