Home / 3,517.24-5,275.85-1,436.87

Finding the Fourth Proportional to 3,517.24, 5,275.85 and 1,436.87

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Solution

The fourth proportional to 3,517.24, 5,275.85 and 1,436.87 is: 2,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.24 : 5,275.85 = 1,436.87 : x
  2. Step 2: Convert to fraction form
    3,517.24/5,275.85 = 1,436.87/x
  3. Step 3: Cross multiply
    3,517.24x = 5,275.85 × 1,436.87
  4. Step 4: Simplify right side
    3,517.24x = 7,580,727.37
  5. Step 5: Solve for x
    x = 7,580,727.37/3,517.24
  6. Step 6: Final answer
    x = 2,155.31

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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.