Home / 3,447.09-5,168.81-3,177.36

Finding the Fourth Proportional to 3,447.09, 5,168.81 and 3,177.36

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Solution

The fourth proportional to 3,447.09, 5,168.81 and 3,177.36 is: 4,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.09 : 5,168.81 = 3,177.36 : x
  2. Step 2: Convert to fraction form
    3,447.09/5,168.81 = 3,177.36/x
  3. Step 3: Cross multiply
    3,447.09x = 5,168.81 × 3,177.36
  4. Step 4: Simplify right side
    3,447.09x = 16,423,178.09
  5. Step 5: Solve for x
    x = 16,423,178.09/3,447.09
  6. Step 6: Final answer
    x = 4,764.36

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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.