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Finding the Fourth Proportional to 2,323.17, 3,487.28 and 937.46

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Solution

The fourth proportional to 2,323.17, 3,487.28 and 937.46 is: 1,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,323.17 : 3,487.28 = 937.46 : x
  2. Step 2: Convert to fraction form
    2,323.17/3,487.28 = 937.46/x
  3. Step 3: Cross multiply
    2,323.17x = 3,487.28 × 937.46
  4. Step 4: Simplify right side
    2,323.17x = 3,269,163.39
  5. Step 5: Solve for x
    x = 3,269,163.39/2,323.17
  6. Step 6: Final answer
    x = 1,407.20

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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.