Home / 3,072.53-4,606.88-1,318.65

Finding the Fourth Proportional to 3,072.53, 4,606.88 and 1,318.65

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Solution

The fourth proportional to 3,072.53, 4,606.88 and 1,318.65 is: 1,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.53 : 4,606.88 = 1,318.65 : x
  2. Step 2: Convert to fraction form
    3,072.53/4,606.88 = 1,318.65/x
  3. Step 3: Cross multiply
    3,072.53x = 4,606.88 × 1,318.65
  4. Step 4: Simplify right side
    3,072.53x = 6,074,855.72
  5. Step 5: Solve for x
    x = 6,074,855.72/3,072.53
  6. Step 6: Final answer
    x = 1,977.15

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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.