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Finding the Fourth Proportional to 2,318.32, 3,477.80 and 950

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Solution

The fourth proportional to 2,318.32, 3,477.80 and 950 is: 1,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.32 : 3,477.80 = 950 : x
  2. Step 2: Convert to fraction form
    2,318.32/3,477.80 = 950/x
  3. Step 3: Cross multiply
    2,318.32x = 3,477.80 × 950
  4. Step 4: Simplify right side
    2,318.32x = 3,303,910
  5. Step 5: Solve for x
    x = 3,303,910/2,318.32
  6. Step 6: Final answer
    x = 1,425.13

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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.