Home / 3,830.74-5,757.58-3,176.92

Finding the Fourth Proportional to 3,830.74, 5,757.58 and 3,176.92

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Solution

The fourth proportional to 3,830.74, 5,757.58 and 3,176.92 is: 4,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.74 : 5,757.58 = 3,176.92 : x
  2. Step 2: Convert to fraction form
    3,830.74/5,757.58 = 3,176.92/x
  3. Step 3: Cross multiply
    3,830.74x = 5,757.58 × 3,176.92
  4. Step 4: Simplify right side
    3,830.74x = 18,291,382.22
  5. Step 5: Solve for x
    x = 18,291,382.22/3,830.74
  6. Step 6: Final answer
    x = 4,774.89

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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.