Home / 3,213.46-4,790.92-3,132.66

Finding the Fourth Proportional to 3,213.46, 4,790.92 and 3,132.66

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Solution

The fourth proportional to 3,213.46, 4,790.92 and 3,132.66 is: 4,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.46 : 4,790.92 = 3,132.66 : x
  2. Step 2: Convert to fraction form
    3,213.46/4,790.92 = 3,132.66/x
  3. Step 3: Cross multiply
    3,213.46x = 4,790.92 × 3,132.66
  4. Step 4: Simplify right side
    3,213.46x = 15,008,327.59
  5. Step 5: Solve for x
    x = 15,008,327.59/3,213.46
  6. Step 6: Final answer
    x = 4,670.46

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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.