Home / 3,206.89-4,812.85-1,646.83

Finding the Fourth Proportional to 3,206.89, 4,812.85 and 1,646.83

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Solution

The fourth proportional to 3,206.89, 4,812.85 and 1,646.83 is: 2,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.89 : 4,812.85 = 1,646.83 : x
  2. Step 2: Convert to fraction form
    3,206.89/4,812.85 = 1,646.83/x
  3. Step 3: Cross multiply
    3,206.89x = 4,812.85 × 1,646.83
  4. Step 4: Simplify right side
    3,206.89x = 7,925,917.58
  5. Step 5: Solve for x
    x = 7,925,917.58/3,206.89
  6. Step 6: Final answer
    x = 2,471.53

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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.