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Finding the Fourth Proportional to 2,339.96, 3,509.96 and 608.59

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Solution

The fourth proportional to 2,339.96, 3,509.96 and 608.59 is: 912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.96 : 3,509.96 = 608.59 : x
  2. Step 2: Convert to fraction form
    2,339.96/3,509.96 = 608.59/x
  3. Step 3: Cross multiply
    2,339.96x = 3,509.96 × 608.59
  4. Step 4: Simplify right side
    2,339.96x = 2,136,126.56
  5. Step 5: Solve for x
    x = 2,136,126.56/2,339.96
  6. Step 6: Final answer
    x = 912.89

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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.