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Finding the Fourth Proportional to 1,598.25, 2,394.93 and 673.30

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Solution

The fourth proportional to 1,598.25, 2,394.93 and 673.30 is: 1,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.25 : 2,394.93 = 673.30 : x
  2. Step 2: Convert to fraction form
    1,598.25/2,394.93 = 673.30/x
  3. Step 3: Cross multiply
    1,598.25x = 2,394.93 × 673.30
  4. Step 4: Simplify right side
    1,598.25x = 1,612,497.86
  5. Step 5: Solve for x
    x = 1,612,497.86/1,598.25
  6. Step 6: Final answer
    x = 1,008.92

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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.