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Finding the Fourth Proportional to 2,429, 3,644.04 and 968.12

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Solution

The fourth proportional to 2,429, 3,644.04 and 968.12 is: 1,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429 : 3,644.04 = 968.12 : x
  2. Step 2: Convert to fraction form
    2,429/3,644.04 = 968.12/x
  3. Step 3: Cross multiply
    2,429x = 3,644.04 × 968.12
  4. Step 4: Simplify right side
    2,429x = 3,527,868.00
  5. Step 5: Solve for x
    x = 3,527,868.00/2,429
  6. Step 6: Final answer
    x = 1,452.40

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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.