Home / 3,208.46-4,803.57-2,109.51

Finding the Fourth Proportional to 3,208.46, 4,803.57 and 2,109.51

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Solution

The fourth proportional to 3,208.46, 4,803.57 and 2,109.51 is: 3,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.46 : 4,803.57 = 2,109.51 : x
  2. Step 2: Convert to fraction form
    3,208.46/4,803.57 = 2,109.51/x
  3. Step 3: Cross multiply
    3,208.46x = 4,803.57 × 2,109.51
  4. Step 4: Simplify right side
    3,208.46x = 10,133,178.95
  5. Step 5: Solve for x
    x = 10,133,178.95/3,208.46
  6. Step 6: Final answer
    x = 3,158.27

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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.