Home / 3,625.74-5,435.54-1,436.02

Finding the Fourth Proportional to 3,625.74, 5,435.54 and 1,436.02

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Solution

The fourth proportional to 3,625.74, 5,435.54 and 1,436.02 is: 2,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.74 : 5,435.54 = 1,436.02 : x
  2. Step 2: Convert to fraction form
    3,625.74/5,435.54 = 1,436.02/x
  3. Step 3: Cross multiply
    3,625.74x = 5,435.54 × 1,436.02
  4. Step 4: Simplify right side
    3,625.74x = 7,805,544.15
  5. Step 5: Solve for x
    x = 7,805,544.15/3,625.74
  6. Step 6: Final answer
    x = 2,152.81

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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.