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Finding the Fourth Proportional to 3,719.62, 5,133.00 and 2,393.32

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Solution

The fourth proportional to 3,719.62, 5,133.00 and 2,393.32 is: 3,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.62 : 5,133.00 = 2,393.32 : x
  2. Step 2: Convert to fraction form
    3,719.62/5,133.00 = 2,393.32/x
  3. Step 3: Cross multiply
    3,719.62x = 5,133.00 × 2,393.32
  4. Step 4: Simplify right side
    3,719.62x = 12,284,911.57
  5. Step 5: Solve for x
    x = 12,284,911.57/3,719.62
  6. Step 6: Final answer
    x = 3,302.73

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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.