Home / 3,086.84-4,630.06-1,138.88

Finding the Fourth Proportional to 3,086.84, 4,630.06 and 1,138.88

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Solution

The fourth proportional to 3,086.84, 4,630.06 and 1,138.88 is: 1,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.84 : 4,630.06 = 1,138.88 : x
  2. Step 2: Convert to fraction form
    3,086.84/4,630.06 = 1,138.88/x
  3. Step 3: Cross multiply
    3,086.84x = 4,630.06 × 1,138.88
  4. Step 4: Simplify right side
    3,086.84x = 5,273,082.73
  5. Step 5: Solve for x
    x = 5,273,082.73/3,086.84
  6. Step 6: Final answer
    x = 1,708.25

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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.