Home / 3,405.51-5,110.09-3,157.65

Finding the Fourth Proportional to 3,405.51, 5,110.09 and 3,157.65

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Solution

The fourth proportional to 3,405.51, 5,110.09 and 3,157.65 is: 4,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.51 : 5,110.09 = 3,157.65 : x
  2. Step 2: Convert to fraction form
    3,405.51/5,110.09 = 3,157.65/x
  3. Step 3: Cross multiply
    3,405.51x = 5,110.09 × 3,157.65
  4. Step 4: Simplify right side
    3,405.51x = 16,135,867.79
  5. Step 5: Solve for x
    x = 16,135,867.79/3,405.51
  6. Step 6: Final answer
    x = 4,738.16

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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.