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Finding the Fourth Proportional to 2,398.31, 3,597.67 and 666.94

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Solution

The fourth proportional to 2,398.31, 3,597.67 and 666.94 is: 1,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398.31 : 3,597.67 = 666.94 : x
  2. Step 2: Convert to fraction form
    2,398.31/3,597.67 = 666.94/x
  3. Step 3: Cross multiply
    2,398.31x = 3,597.67 × 666.94
  4. Step 4: Simplify right side
    2,398.31x = 2,399,421.87
  5. Step 5: Solve for x
    x = 2,399,421.87/2,398.31
  6. Step 6: Final answer
    x = 1,000.46

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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.