Home / 3,018.32-4,527.96-1,286.96

Finding the Fourth Proportional to 3,018.32, 4,527.96 and 1,286.96

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Solution

The fourth proportional to 3,018.32, 4,527.96 and 1,286.96 is: 1,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.32 : 4,527.96 = 1,286.96 : x
  2. Step 2: Convert to fraction form
    3,018.32/4,527.96 = 1,286.96/x
  3. Step 3: Cross multiply
    3,018.32x = 4,527.96 × 1,286.96
  4. Step 4: Simplify right side
    3,018.32x = 5,827,303.40
  5. Step 5: Solve for x
    x = 5,827,303.40/3,018.32
  6. Step 6: Final answer
    x = 1,930.64

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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.