Home / 3,208.46-4,425.98-2,160.86

Finding the Fourth Proportional to 3,208.46, 4,425.98 and 2,160.86

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Solution

The fourth proportional to 3,208.46, 4,425.98 and 2,160.86 is: 2,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.46 : 4,425.98 = 2,160.86 : x
  2. Step 2: Convert to fraction form
    3,208.46/4,425.98 = 2,160.86/x
  3. Step 3: Cross multiply
    3,208.46x = 4,425.98 × 2,160.86
  4. Step 4: Simplify right side
    3,208.46x = 9,563,923.14
  5. Step 5: Solve for x
    x = 9,563,923.14/3,208.46
  6. Step 6: Final answer
    x = 2,980.85

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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.