Home / 3,704.68-5,111.26-2,642.62

Finding the Fourth Proportional to 3,704.68, 5,111.26 and 2,642.62

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Solution

The fourth proportional to 3,704.68, 5,111.26 and 2,642.62 is: 3,645.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.68 : 5,111.26 = 2,642.62 : x
  2. Step 2: Convert to fraction form
    3,704.68/5,111.26 = 2,642.62/x
  3. Step 3: Cross multiply
    3,704.68x = 5,111.26 × 2,642.62
  4. Step 4: Simplify right side
    3,704.68x = 13,507,117.90
  5. Step 5: Solve for x
    x = 13,507,117.90/3,704.68
  6. Step 6: Final answer
    x = 3,645.96

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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.