Home / 3,456.96-4,773.06-2,131.08

Finding the Fourth Proportional to 3,456.96, 4,773.06 and 2,131.08

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Solution

The fourth proportional to 3,456.96, 4,773.06 and 2,131.08 is: 2,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.96 : 4,773.06 = 2,131.08 : x
  2. Step 2: Convert to fraction form
    3,456.96/4,773.06 = 2,131.08/x
  3. Step 3: Cross multiply
    3,456.96x = 4,773.06 × 2,131.08
  4. Step 4: Simplify right side
    3,456.96x = 10,171,772.70
  5. Step 5: Solve for x
    x = 10,171,772.70/3,456.96
  6. Step 6: Final answer
    x = 2,942.40

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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.