Home / 3,785.11-5,670.50-2,136.65

Finding the Fourth Proportional to 3,785.11, 5,670.50 and 2,136.65

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Solution

The fourth proportional to 3,785.11, 5,670.50 and 2,136.65 is: 3,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.11 : 5,670.50 = 2,136.65 : x
  2. Step 2: Convert to fraction form
    3,785.11/5,670.50 = 2,136.65/x
  3. Step 3: Cross multiply
    3,785.11x = 5,670.50 × 2,136.65
  4. Step 4: Simplify right side
    3,785.11x = 12,115,834.79
  5. Step 5: Solve for x
    x = 12,115,834.79/3,785.11
  6. Step 6: Final answer
    x = 3,200.92

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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.