Home / 3,515.92-5,272.46-1,436.98

Finding the Fourth Proportional to 3,515.92, 5,272.46 and 1,436.98

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Solution

The fourth proportional to 3,515.92, 5,272.46 and 1,436.98 is: 2,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.92 : 5,272.46 = 1,436.98 : x
  2. Step 2: Convert to fraction form
    3,515.92/5,272.46 = 1,436.98/x
  3. Step 3: Cross multiply
    3,515.92x = 5,272.46 × 1,436.98
  4. Step 4: Simplify right side
    3,515.92x = 7,576,419.57
  5. Step 5: Solve for x
    x = 7,576,419.57/3,515.92
  6. Step 6: Final answer
    x = 2,154.89

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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.