Home / 3,785.12-5,673.66-1,834.64

Finding the Fourth Proportional to 3,785.12, 5,673.66 and 1,834.64

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Solution

The fourth proportional to 3,785.12, 5,673.66 and 1,834.64 is: 2,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.12 : 5,673.66 = 1,834.64 : x
  2. Step 2: Convert to fraction form
    3,785.12/5,673.66 = 1,834.64/x
  3. Step 3: Cross multiply
    3,785.12x = 5,673.66 × 1,834.64
  4. Step 4: Simplify right side
    3,785.12x = 10,409,123.58
  5. Step 5: Solve for x
    x = 10,409,123.58/3,785.12
  6. Step 6: Final answer
    x = 2,750.01

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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.