Home / 3,679.15-5,074.51-2,669.42

Finding the Fourth Proportional to 3,679.15, 5,074.51 and 2,669.42

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Solution

The fourth proportional to 3,679.15, 5,074.51 and 2,669.42 is: 3,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.15 : 5,074.51 = 2,669.42 : x
  2. Step 2: Convert to fraction form
    3,679.15/5,074.51 = 2,669.42/x
  3. Step 3: Cross multiply
    3,679.15x = 5,074.51 × 2,669.42
  4. Step 4: Simplify right side
    3,679.15x = 13,545,998.48
  5. Step 5: Solve for x
    x = 13,545,998.48/3,679.15
  6. Step 6: Final answer
    x = 3,681.83

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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.