Home / 3,318.93-4,973.23-1,238.38

Finding the Fourth Proportional to 3,318.93, 4,973.23 and 1,238.38

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Solution

The fourth proportional to 3,318.93, 4,973.23 and 1,238.38 is: 1,855.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.93 : 4,973.23 = 1,238.38 : x
  2. Step 2: Convert to fraction form
    3,318.93/4,973.23 = 1,238.38/x
  3. Step 3: Cross multiply
    3,318.93x = 4,973.23 × 1,238.38
  4. Step 4: Simplify right side
    3,318.93x = 6,158,748.57
  5. Step 5: Solve for x
    x = 6,158,748.57/3,318.93
  6. Step 6: Final answer
    x = 1,855.64

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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.