Home / 3,221.35-4,793.43-3,210.41

Finding the Fourth Proportional to 3,221.35, 4,793.43 and 3,210.41

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Solution

The fourth proportional to 3,221.35, 4,793.43 and 3,210.41 is: 4,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.35 : 4,793.43 = 3,210.41 : x
  2. Step 2: Convert to fraction form
    3,221.35/4,793.43 = 3,210.41/x
  3. Step 3: Cross multiply
    3,221.35x = 4,793.43 × 3,210.41
  4. Step 4: Simplify right side
    3,221.35x = 15,388,899.63
  5. Step 5: Solve for x
    x = 15,388,899.63/3,221.35
  6. Step 6: Final answer
    x = 4,777.16

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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.