Home / 3,236.16-4,851.18-1,286.76

Finding the Fourth Proportional to 3,236.16, 4,851.18 and 1,286.76

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Solution

The fourth proportional to 3,236.16, 4,851.18 and 1,286.76 is: 1,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.16 : 4,851.18 = 1,286.76 : x
  2. Step 2: Convert to fraction form
    3,236.16/4,851.18 = 1,286.76/x
  3. Step 3: Cross multiply
    3,236.16x = 4,851.18 × 1,286.76
  4. Step 4: Simplify right side
    3,236.16x = 6,242,304.38
  5. Step 5: Solve for x
    x = 6,242,304.38/3,236.16
  6. Step 6: Final answer
    x = 1,928.92

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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.