Home / 3,689.82-5,534.33-2,300.40

Finding the Fourth Proportional to 3,689.82, 5,534.33 and 2,300.40

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Solution

The fourth proportional to 3,689.82, 5,534.33 and 2,300.40 is: 3,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.82 : 5,534.33 = 2,300.40 : x
  2. Step 2: Convert to fraction form
    3,689.82/5,534.33 = 2,300.40/x
  3. Step 3: Cross multiply
    3,689.82x = 5,534.33 × 2,300.40
  4. Step 4: Simplify right side
    3,689.82x = 12,731,161.23
  5. Step 5: Solve for x
    x = 12,731,161.23/3,689.82
  6. Step 6: Final answer
    x = 3,450.35

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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.