Home / 3,210.20-4,428.76-2,462.84

Finding the Fourth Proportional to 3,210.20, 4,428.76 and 2,462.84

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Solution

The fourth proportional to 3,210.20, 4,428.76 and 2,462.84 is: 3,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.20 : 4,428.76 = 2,462.84 : x
  2. Step 2: Convert to fraction form
    3,210.20/4,428.76 = 2,462.84/x
  3. Step 3: Cross multiply
    3,210.20x = 4,428.76 × 2,462.84
  4. Step 4: Simplify right side
    3,210.20x = 10,907,327.28
  5. Step 5: Solve for x
    x = 10,907,327.28/3,210.20
  6. Step 6: Final answer
    x = 3,397.71

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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.