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Finding the Fourth Proportional to 2,307.65, 3,462.06 and 664.31

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Solution

The fourth proportional to 2,307.65, 3,462.06 and 664.31 is: 996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.65 : 3,462.06 = 664.31 : x
  2. Step 2: Convert to fraction form
    2,307.65/3,462.06 = 664.31/x
  3. Step 3: Cross multiply
    2,307.65x = 3,462.06 × 664.31
  4. Step 4: Simplify right side
    2,307.65x = 2,299,881.08
  5. Step 5: Solve for x
    x = 2,299,881.08/2,307.65
  6. Step 6: Final answer
    x = 996.63

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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.