Home / 3,689.29-5,529.84-1,347.38

Finding the Fourth Proportional to 3,689.29, 5,529.84 and 1,347.38

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Solution

The fourth proportional to 3,689.29, 5,529.84 and 1,347.38 is: 2,019.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.29 : 5,529.84 = 1,347.38 : x
  2. Step 2: Convert to fraction form
    3,689.29/5,529.84 = 1,347.38/x
  3. Step 3: Cross multiply
    3,689.29x = 5,529.84 × 1,347.38
  4. Step 4: Simplify right side
    3,689.29x = 7,450,795.82
  5. Step 5: Solve for x
    x = 7,450,795.82/3,689.29
  6. Step 6: Final answer
    x = 2,019.57

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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.