Home / 3,736.15-5,604.21-1,139.08

Finding the Fourth Proportional to 3,736.15, 5,604.21 and 1,139.08

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Solution

The fourth proportional to 3,736.15, 5,604.21 and 1,139.08 is: 1,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.15 : 5,604.21 = 1,139.08 : x
  2. Step 2: Convert to fraction form
    3,736.15/5,604.21 = 1,139.08/x
  3. Step 3: Cross multiply
    3,736.15x = 5,604.21 × 1,139.08
  4. Step 4: Simplify right side
    3,736.15x = 6,383,643.53
  5. Step 5: Solve for x
    x = 6,383,643.53/3,736.15
  6. Step 6: Final answer
    x = 1,708.62

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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.