Home / 3,300.65-4,953.47-1,221.92

Finding the Fourth Proportional to 3,300.65, 4,953.47 and 1,221.92

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Solution

The fourth proportional to 3,300.65, 4,953.47 and 1,221.92 is: 1,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.65 : 4,953.47 = 1,221.92 : x
  2. Step 2: Convert to fraction form
    3,300.65/4,953.47 = 1,221.92/x
  3. Step 3: Cross multiply
    3,300.65x = 4,953.47 × 1,221.92
  4. Step 4: Simplify right side
    3,300.65x = 6,052,713.19
  5. Step 5: Solve for x
    x = 6,052,713.19/3,300.65
  6. Step 6: Final answer
    x = 1,833.80

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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.