Home / 3,084.20-4,624.80-1,767.76

Finding the Fourth Proportional to 3,084.20, 4,624.80 and 1,767.76

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Solution

The fourth proportional to 3,084.20, 4,624.80 and 1,767.76 is: 2,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.20 : 4,624.80 = 1,767.76 : x
  2. Step 2: Convert to fraction form
    3,084.20/4,624.80 = 1,767.76/x
  3. Step 3: Cross multiply
    3,084.20x = 4,624.80 × 1,767.76
  4. Step 4: Simplify right side
    3,084.20x = 8,175,536.45
  5. Step 5: Solve for x
    x = 8,175,536.45/3,084.20
  6. Step 6: Final answer
    x = 2,650.78

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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.