Home / 3,228.93-4,426.89-3,170.61

Finding the Fourth Proportional to 3,228.93, 4,426.89 and 3,170.61

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Solution

The fourth proportional to 3,228.93, 4,426.89 and 3,170.61 is: 4,346.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.93 : 4,426.89 = 3,170.61 : x
  2. Step 2: Convert to fraction form
    3,228.93/4,426.89 = 3,170.61/x
  3. Step 3: Cross multiply
    3,228.93x = 4,426.89 × 3,170.61
  4. Step 4: Simplify right side
    3,228.93x = 14,035,941.70
  5. Step 5: Solve for x
    x = 14,035,941.70/3,228.93
  6. Step 6: Final answer
    x = 4,346.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.