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Finding the Fourth Proportional to 3,719, 5,575.32 and 1,526.36

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Solution

The fourth proportional to 3,719, 5,575.32 and 1,526.36 is: 2,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719 : 5,575.32 = 1,526.36 : x
  2. Step 2: Convert to fraction form
    3,719/5,575.32 = 1,526.36/x
  3. Step 3: Cross multiply
    3,719x = 5,575.32 × 1,526.36
  4. Step 4: Simplify right side
    3,719x = 8,509,945.44
  5. Step 5: Solve for x
    x = 8,509,945.44/3,719
  6. Step 6: Final answer
    x = 2,288.23

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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.