Home / 3,582.85-5,376.39-1,939.36

Finding the Fourth Proportional to 3,582.85, 5,376.39 and 1,939.36

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Solution

The fourth proportional to 3,582.85, 5,376.39 and 1,939.36 is: 2,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.85 : 5,376.39 = 1,939.36 : x
  2. Step 2: Convert to fraction form
    3,582.85/5,376.39 = 1,939.36/x
  3. Step 3: Cross multiply
    3,582.85x = 5,376.39 × 1,939.36
  4. Step 4: Simplify right side
    3,582.85x = 10,426,755.71
  5. Step 5: Solve for x
    x = 10,426,755.71/3,582.85
  6. Step 6: Final answer
    x = 2,910.18

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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.