Home / 3,206.55-4,809.83-2,561.39

Finding the Fourth Proportional to 3,206.55, 4,809.83 and 2,561.39

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Solution

The fourth proportional to 3,206.55, 4,809.83 and 2,561.39 is: 3,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.55 : 4,809.83 = 2,561.39 : x
  2. Step 2: Convert to fraction form
    3,206.55/4,809.83 = 2,561.39/x
  3. Step 3: Cross multiply
    3,206.55x = 4,809.83 × 2,561.39
  4. Step 4: Simplify right side
    3,206.55x = 12,319,820.01
  5. Step 5: Solve for x
    x = 12,319,820.01/3,206.55
  6. Step 6: Final answer
    x = 3,842.08

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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.