Home / 3,174.71-4,381.55-1,849.15

Finding the Fourth Proportional to 3,174.71, 4,381.55 and 1,849.15

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Solution

The fourth proportional to 3,174.71, 4,381.55 and 1,849.15 is: 2,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.71 : 4,381.55 = 1,849.15 : x
  2. Step 2: Convert to fraction form
    3,174.71/4,381.55 = 1,849.15/x
  3. Step 3: Cross multiply
    3,174.71x = 4,381.55 × 1,849.15
  4. Step 4: Simplify right side
    3,174.71x = 8,102,136.85
  5. Step 5: Solve for x
    x = 8,102,136.85/3,174.71
  6. Step 6: Final answer
    x = 2,552.09

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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.