Home / 3,872.90-5,807.59-2,703.43

Finding the Fourth Proportional to 3,872.90, 5,807.59 and 2,703.43

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Solution

The fourth proportional to 3,872.90, 5,807.59 and 2,703.43 is: 4,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.90 : 5,807.59 = 2,703.43 : x
  2. Step 2: Convert to fraction form
    3,872.90/5,807.59 = 2,703.43/x
  3. Step 3: Cross multiply
    3,872.90x = 5,807.59 × 2,703.43
  4. Step 4: Simplify right side
    3,872.90x = 15,700,413.03
  5. Step 5: Solve for x
    x = 15,700,413.03/3,872.90
  6. Step 6: Final answer
    x = 4,053.92

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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.