Home / 3,353.63-4,632.68-3,189.61

Finding the Fourth Proportional to 3,353.63, 4,632.68 and 3,189.61

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Solution

The fourth proportional to 3,353.63, 4,632.68 and 3,189.61 is: 4,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.63 : 4,632.68 = 3,189.61 : x
  2. Step 2: Convert to fraction form
    3,353.63/4,632.68 = 3,189.61/x
  3. Step 3: Cross multiply
    3,353.63x = 4,632.68 × 3,189.61
  4. Step 4: Simplify right side
    3,353.63x = 14,776,403.34
  5. Step 5: Solve for x
    x = 14,776,403.34/3,353.63
  6. Step 6: Final answer
    x = 4,406.09

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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.