Home / 3,635.50-5,425.79-3,285.58

Finding the Fourth Proportional to 3,635.50, 5,425.79 and 3,285.58

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Solution

The fourth proportional to 3,635.50, 5,425.79 and 3,285.58 is: 4,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.50 : 5,425.79 = 3,285.58 : x
  2. Step 2: Convert to fraction form
    3,635.50/5,425.79 = 3,285.58/x
  3. Step 3: Cross multiply
    3,635.50x = 5,425.79 × 3,285.58
  4. Step 4: Simplify right side
    3,635.50x = 17,826,867.11
  5. Step 5: Solve for x
    x = 17,826,867.11/3,635.50
  6. Step 6: Final answer
    x = 4,903.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.