Home / 3,630.48-5,441.94-1,681.08

Finding the Fourth Proportional to 3,630.48, 5,441.94 and 1,681.08

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Solution

The fourth proportional to 3,630.48, 5,441.94 and 1,681.08 is: 2,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.48 : 5,441.94 = 1,681.08 : x
  2. Step 2: Convert to fraction form
    3,630.48/5,441.94 = 1,681.08/x
  3. Step 3: Cross multiply
    3,630.48x = 5,441.94 × 1,681.08
  4. Step 4: Simplify right side
    3,630.48x = 9,148,336.50
  5. Step 5: Solve for x
    x = 9,148,336.50/3,630.48
  6. Step 6: Final answer
    x = 2,519.87

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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.