Home / 3,433.93-5,148.56-1,872.65

Finding the Fourth Proportional to 3,433.93, 5,148.56 and 1,872.65

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Solution

The fourth proportional to 3,433.93, 5,148.56 and 1,872.65 is: 2,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.93 : 5,148.56 = 1,872.65 : x
  2. Step 2: Convert to fraction form
    3,433.93/5,148.56 = 1,872.65/x
  3. Step 3: Cross multiply
    3,433.93x = 5,148.56 × 1,872.65
  4. Step 4: Simplify right side
    3,433.93x = 9,641,468.44
  5. Step 5: Solve for x
    x = 9,641,468.44/3,433.93
  6. Step 6: Final answer
    x = 2,807.71

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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.