Home / 3,447.14-5,145.70-3,190.16

Finding the Fourth Proportional to 3,447.14, 5,145.70 and 3,190.16

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Solution

The fourth proportional to 3,447.14, 5,145.70 and 3,190.16 is: 4,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.14 : 5,145.70 = 3,190.16 : x
  2. Step 2: Convert to fraction form
    3,447.14/5,145.70 = 3,190.16/x
  3. Step 3: Cross multiply
    3,447.14x = 5,145.70 × 3,190.16
  4. Step 4: Simplify right side
    3,447.14x = 16,415,606.31
  5. Step 5: Solve for x
    x = 16,415,606.31/3,447.14
  6. Step 6: Final answer
    x = 4,762.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.