Home / 3,674.74-5,507.24-2,115.58

Finding the Fourth Proportional to 3,674.74, 5,507.24 and 2,115.58

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Solution

The fourth proportional to 3,674.74, 5,507.24 and 2,115.58 is: 3,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.74 : 5,507.24 = 2,115.58 : x
  2. Step 2: Convert to fraction form
    3,674.74/5,507.24 = 2,115.58/x
  3. Step 3: Cross multiply
    3,674.74x = 5,507.24 × 2,115.58
  4. Step 4: Simplify right side
    3,674.74x = 11,651,006.80
  5. Step 5: Solve for x
    x = 11,651,006.80/3,674.74
  6. Step 6: Final answer
    x = 3,170.57

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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.