Home / 3,176.30-4,765.68-1,532.72

Finding the Fourth Proportional to 3,176.30, 4,765.68 and 1,532.72

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Solution

The fourth proportional to 3,176.30, 4,765.68 and 1,532.72 is: 2,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.30 : 4,765.68 = 1,532.72 : x
  2. Step 2: Convert to fraction form
    3,176.30/4,765.68 = 1,532.72/x
  3. Step 3: Cross multiply
    3,176.30x = 4,765.68 × 1,532.72
  4. Step 4: Simplify right side
    3,176.30x = 7,304,464.96
  5. Step 5: Solve for x
    x = 7,304,464.96/3,176.30
  6. Step 6: Final answer
    x = 2,299.68

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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.