Home / 3,515.79-5,273.68-1,436.77

Finding the Fourth Proportional to 3,515.79, 5,273.68 and 1,436.77

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Solution

The fourth proportional to 3,515.79, 5,273.68 and 1,436.77 is: 2,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.79 : 5,273.68 = 1,436.77 : x
  2. Step 2: Convert to fraction form
    3,515.79/5,273.68 = 1,436.77/x
  3. Step 3: Cross multiply
    3,515.79x = 5,273.68 × 1,436.77
  4. Step 4: Simplify right side
    3,515.79x = 7,577,065.21
  5. Step 5: Solve for x
    x = 7,577,065.21/3,515.79
  6. Step 6: Final answer
    x = 2,155.15

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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.