Home / 3,616.57-5,425.53-1,642.34

Finding the Fourth Proportional to 3,616.57, 5,425.53 and 1,642.34

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Solution

The fourth proportional to 3,616.57, 5,425.53 and 1,642.34 is: 2,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.57 : 5,425.53 = 1,642.34 : x
  2. Step 2: Convert to fraction form
    3,616.57/5,425.53 = 1,642.34/x
  3. Step 3: Cross multiply
    3,616.57x = 5,425.53 × 1,642.34
  4. Step 4: Simplify right side
    3,616.57x = 8,910,564.32
  5. Step 5: Solve for x
    x = 8,910,564.32/3,616.57
  6. Step 6: Final answer
    x = 2,463.82

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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.