Home / 3,213.54-4,811.58-1,671.30

Finding the Fourth Proportional to 3,213.54, 4,811.58 and 1,671.30

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Solution

The fourth proportional to 3,213.54, 4,811.58 and 1,671.30 is: 2,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.54 : 4,811.58 = 1,671.30 : x
  2. Step 2: Convert to fraction form
    3,213.54/4,811.58 = 1,671.30/x
  3. Step 3: Cross multiply
    3,213.54x = 4,811.58 × 1,671.30
  4. Step 4: Simplify right side
    3,213.54x = 8,041,593.65
  5. Step 5: Solve for x
    x = 8,041,593.65/3,213.54
  6. Step 6: Final answer
    x = 2,502.41

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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.