Home / 3,651.12-5,476.14-1,310.76

Finding the Fourth Proportional to 3,651.12, 5,476.14 and 1,310.76

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Solution

The fourth proportional to 3,651.12, 5,476.14 and 1,310.76 is: 1,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.12 : 5,476.14 = 1,310.76 : x
  2. Step 2: Convert to fraction form
    3,651.12/5,476.14 = 1,310.76/x
  3. Step 3: Cross multiply
    3,651.12x = 5,476.14 × 1,310.76
  4. Step 4: Simplify right side
    3,651.12x = 7,177,905.27
  5. Step 5: Solve for x
    x = 7,177,905.27/3,651.12
  6. Step 6: Final answer
    x = 1,965.95

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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.