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Finding the Fourth Proportional to 1,734.96, 2,394.30 and 949.02

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Solution

The fourth proportional to 1,734.96, 2,394.30 and 949.02 is: 1,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.96 : 2,394.30 = 949.02 : x
  2. Step 2: Convert to fraction form
    1,734.96/2,394.30 = 949.02/x
  3. Step 3: Cross multiply
    1,734.96x = 2,394.30 × 949.02
  4. Step 4: Simplify right side
    1,734.96x = 2,272,238.59
  5. Step 5: Solve for x
    x = 2,272,238.59/1,734.96
  6. Step 6: Final answer
    x = 1,309.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.