Home / 3,425.56-4,727.28-2,168.86

Finding the Fourth Proportional to 3,425.56, 4,727.28 and 2,168.86

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Solution

The fourth proportional to 3,425.56, 4,727.28 and 2,168.86 is: 2,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.56 : 4,727.28 = 2,168.86 : x
  2. Step 2: Convert to fraction form
    3,425.56/4,727.28 = 2,168.86/x
  3. Step 3: Cross multiply
    3,425.56x = 4,727.28 × 2,168.86
  4. Step 4: Simplify right side
    3,425.56x = 10,252,808.50
  5. Step 5: Solve for x
    x = 10,252,808.50/3,425.56
  6. Step 6: Final answer
    x = 2,993.03

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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.