Home / 3,504.65-5,253.80-1,281.92

Finding the Fourth Proportional to 3,504.65, 5,253.80 and 1,281.92

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Solution

The fourth proportional to 3,504.65, 5,253.80 and 1,281.92 is: 1,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.65 : 5,253.80 = 1,281.92 : x
  2. Step 2: Convert to fraction form
    3,504.65/5,253.80 = 1,281.92/x
  3. Step 3: Cross multiply
    3,504.65x = 5,253.80 × 1,281.92
  4. Step 4: Simplify right side
    3,504.65x = 6,734,918.62
  5. Step 5: Solve for x
    x = 6,734,918.62/3,504.65
  6. Step 6: Final answer
    x = 1,921.71

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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.