Home / 3,171.34-4,758.84-1,785.44

Finding the Fourth Proportional to 3,171.34, 4,758.84 and 1,785.44

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Solution

The fourth proportional to 3,171.34, 4,758.84 and 1,785.44 is: 2,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.34 : 4,758.84 = 1,785.44 : x
  2. Step 2: Convert to fraction form
    3,171.34/4,758.84 = 1,785.44/x
  3. Step 3: Cross multiply
    3,171.34x = 4,758.84 × 1,785.44
  4. Step 4: Simplify right side
    3,171.34x = 8,496,623.29
  5. Step 5: Solve for x
    x = 8,496,623.29/3,171.34
  6. Step 6: Final answer
    x = 2,679.19

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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.