Home / 3,582.50-5,374.67-1,936.78

Finding the Fourth Proportional to 3,582.50, 5,374.67 and 1,936.78

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Solution

The fourth proportional to 3,582.50, 5,374.67 and 1,936.78 is: 2,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.50 : 5,374.67 = 1,936.78 : x
  2. Step 2: Convert to fraction form
    3,582.50/5,374.67 = 1,936.78/x
  3. Step 3: Cross multiply
    3,582.50x = 5,374.67 × 1,936.78
  4. Step 4: Simplify right side
    3,582.50x = 10,409,530.24
  5. Step 5: Solve for x
    x = 10,409,530.24/3,582.50
  6. Step 6: Final answer
    x = 2,905.66

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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.