Home / 3,834.40-5,748.86-1,857.90

Finding the Fourth Proportional to 3,834.40, 5,748.86 and 1,857.90

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Solution

The fourth proportional to 3,834.40, 5,748.86 and 1,857.90 is: 2,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.40 : 5,748.86 = 1,857.90 : x
  2. Step 2: Convert to fraction form
    3,834.40/5,748.86 = 1,857.90/x
  3. Step 3: Cross multiply
    3,834.40x = 5,748.86 × 1,857.90
  4. Step 4: Simplify right side
    3,834.40x = 10,680,806.99
  5. Step 5: Solve for x
    x = 10,680,806.99/3,834.40
  6. Step 6: Final answer
    x = 2,785.52

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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.