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Finding the Fourth Proportional to 2,937.71, 4,406.10 and 963.33

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Solution

The fourth proportional to 2,937.71, 4,406.10 and 963.33 is: 1,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.71 : 4,406.10 = 963.33 : x
  2. Step 2: Convert to fraction form
    2,937.71/4,406.10 = 963.33/x
  3. Step 3: Cross multiply
    2,937.71x = 4,406.10 × 963.33
  4. Step 4: Simplify right side
    2,937.71x = 4,244,528.31
  5. Step 5: Solve for x
    x = 4,244,528.31/2,937.71
  6. Step 6: Final answer
    x = 1,444.84

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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.