Home / 3,231.68-4,459.60-1,974.84

Finding the Fourth Proportional to 3,231.68, 4,459.60 and 1,974.84

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Solution

The fourth proportional to 3,231.68, 4,459.60 and 1,974.84 is: 2,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.68 : 4,459.60 = 1,974.84 : x
  2. Step 2: Convert to fraction form
    3,231.68/4,459.60 = 1,974.84/x
  3. Step 3: Cross multiply
    3,231.68x = 4,459.60 × 1,974.84
  4. Step 4: Simplify right side
    3,231.68x = 8,807,008.67
  5. Step 5: Solve for x
    x = 8,807,008.67/3,231.68
  6. Step 6: Final answer
    x = 2,725.21

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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.