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Finding the Fourth Proportional to 3,418.37, 5,127.03 and 952.93

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Solution

The fourth proportional to 3,418.37, 5,127.03 and 952.93 is: 1,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.37 : 5,127.03 = 952.93 : x
  2. Step 2: Convert to fraction form
    3,418.37/5,127.03 = 952.93/x
  3. Step 3: Cross multiply
    3,418.37x = 5,127.03 × 952.93
  4. Step 4: Simplify right side
    3,418.37x = 4,885,700.70
  5. Step 5: Solve for x
    x = 4,885,700.70/3,418.37
  6. Step 6: Final answer
    x = 1,429.25

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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.