Home / 3,433.72-5,139.60-2,908.84

Finding the Fourth Proportional to 3,433.72, 5,139.60 and 2,908.84

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Solution

The fourth proportional to 3,433.72, 5,139.60 and 2,908.84 is: 4,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.72 : 5,139.60 = 2,908.84 : x
  2. Step 2: Convert to fraction form
    3,433.72/5,139.60 = 2,908.84/x
  3. Step 3: Cross multiply
    3,433.72x = 5,139.60 × 2,908.84
  4. Step 4: Simplify right side
    3,433.72x = 14,950,274.06
  5. Step 5: Solve for x
    x = 14,950,274.06/3,433.72
  6. Step 6: Final answer
    x = 4,353.96

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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.