Home / 3,625.11-5,436.51-1,869.57

Finding the Fourth Proportional to 3,625.11, 5,436.51 and 1,869.57

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Solution

The fourth proportional to 3,625.11, 5,436.51 and 1,869.57 is: 2,803.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.11 : 5,436.51 = 1,869.57 : x
  2. Step 2: Convert to fraction form
    3,625.11/5,436.51 = 1,869.57/x
  3. Step 3: Cross multiply
    3,625.11x = 5,436.51 × 1,869.57
  4. Step 4: Simplify right side
    3,625.11x = 10,163,936.00
  5. Step 5: Solve for x
    x = 10,163,936.00/3,625.11
  6. Step 6: Final answer
    x = 2,803.76

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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.