Home / 3,205.68-4,426.89-3,030.96

Finding the Fourth Proportional to 3,205.68, 4,426.89 and 3,030.96

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Solution

The fourth proportional to 3,205.68, 4,426.89 and 3,030.96 is: 4,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.68 : 4,426.89 = 3,030.96 : x
  2. Step 2: Convert to fraction form
    3,205.68/4,426.89 = 3,030.96/x
  3. Step 3: Cross multiply
    3,205.68x = 4,426.89 × 3,030.96
  4. Step 4: Simplify right side
    3,205.68x = 13,417,713.41
  5. Step 5: Solve for x
    x = 13,417,713.41/3,205.68
  6. Step 6: Final answer
    x = 4,185.61

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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.