Home / 3,217.68-4,440.37-1,801.35

Finding the Fourth Proportional to 3,217.68, 4,440.37 and 1,801.35

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Solution

The fourth proportional to 3,217.68, 4,440.37 and 1,801.35 is: 2,485.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.68 : 4,440.37 = 1,801.35 : x
  2. Step 2: Convert to fraction form
    3,217.68/4,440.37 = 1,801.35/x
  3. Step 3: Cross multiply
    3,217.68x = 4,440.37 × 1,801.35
  4. Step 4: Simplify right side
    3,217.68x = 7,998,640.39
  5. Step 5: Solve for x
    x = 7,998,640.39/3,217.68
  6. Step 6: Final answer
    x = 2,485.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.