Home / 3,305.34-4,562.73-2,126.79

Finding the Fourth Proportional to 3,305.34, 4,562.73 and 2,126.79

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Solution

The fourth proportional to 3,305.34, 4,562.73 and 2,126.79 is: 2,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.34 : 4,562.73 = 2,126.79 : x
  2. Step 2: Convert to fraction form
    3,305.34/4,562.73 = 2,126.79/x
  3. Step 3: Cross multiply
    3,305.34x = 4,562.73 × 2,126.79
  4. Step 4: Simplify right side
    3,305.34x = 9,703,968.54
  5. Step 5: Solve for x
    x = 9,703,968.54/3,305.34
  6. Step 6: Final answer
    x = 2,935.85

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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.