Home / 3,225.51-4,839.74-1,911.86

Finding the Fourth Proportional to 3,225.51, 4,839.74 and 1,911.86

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Solution

The fourth proportional to 3,225.51, 4,839.74 and 1,911.86 is: 2,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.51 : 4,839.74 = 1,911.86 : x
  2. Step 2: Convert to fraction form
    3,225.51/4,839.74 = 1,911.86/x
  3. Step 3: Cross multiply
    3,225.51x = 4,839.74 × 1,911.86
  4. Step 4: Simplify right side
    3,225.51x = 9,252,871.56
  5. Step 5: Solve for x
    x = 9,252,871.56/3,225.51
  6. Step 6: Final answer
    x = 2,868.65

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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.