Home / 3,210.84-4,816.26-2,115.92

Finding the Fourth Proportional to 3,210.84, 4,816.26 and 2,115.92

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Solution

The fourth proportional to 3,210.84, 4,816.26 and 2,115.92 is: 3,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.84 : 4,816.26 = 2,115.92 : x
  2. Step 2: Convert to fraction form
    3,210.84/4,816.26 = 2,115.92/x
  3. Step 3: Cross multiply
    3,210.84x = 4,816.26 × 2,115.92
  4. Step 4: Simplify right side
    3,210.84x = 10,190,832.90
  5. Step 5: Solve for x
    x = 10,190,832.90/3,210.84
  6. Step 6: Final answer
    x = 3,173.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.