Home / 3,689.34-5,530.31-1,716.36

Finding the Fourth Proportional to 3,689.34, 5,530.31 and 1,716.36

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Solution

The fourth proportional to 3,689.34, 5,530.31 and 1,716.36 is: 2,572.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.34 : 5,530.31 = 1,716.36 : x
  2. Step 2: Convert to fraction form
    3,689.34/5,530.31 = 1,716.36/x
  3. Step 3: Cross multiply
    3,689.34x = 5,530.31 × 1,716.36
  4. Step 4: Simplify right side
    3,689.34x = 9,492,002.87
  5. Step 5: Solve for x
    x = 9,492,002.87/3,689.34
  6. Step 6: Final answer
    x = 2,572.82

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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.