Home / 3,225.91-4,839.81-1,582.57

Finding the Fourth Proportional to 3,225.91, 4,839.81 and 1,582.57

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Solution

The fourth proportional to 3,225.91, 4,839.81 and 1,582.57 is: 2,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.91 : 4,839.81 = 1,582.57 : x
  2. Step 2: Convert to fraction form
    3,225.91/4,839.81 = 1,582.57/x
  3. Step 3: Cross multiply
    3,225.91x = 4,839.81 × 1,582.57
  4. Step 4: Simplify right side
    3,225.91x = 7,659,338.11
  5. Step 5: Solve for x
    x = 7,659,338.11/3,225.91
  6. Step 6: Final answer
    x = 2,374.32

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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.