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Finding the Fourth Proportional to 2,426.88, 3,640.32 and 602.88

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Solution

The fourth proportional to 2,426.88, 3,640.32 and 602.88 is: 904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.88 : 3,640.32 = 602.88 : x
  2. Step 2: Convert to fraction form
    2,426.88/3,640.32 = 602.88/x
  3. Step 3: Cross multiply
    2,426.88x = 3,640.32 × 602.88
  4. Step 4: Simplify right side
    2,426.88x = 2,194,654.91
  5. Step 5: Solve for x
    x = 2,194,654.91/2,426.88
  6. Step 6: Final answer
    x = 904.31

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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.