Home / 3,133.26-4,323.92-1,807.38

Finding the Fourth Proportional to 3,133.26, 4,323.92 and 1,807.38

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Solution

The fourth proportional to 3,133.26, 4,323.92 and 1,807.38 is: 2,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.26 : 4,323.92 = 1,807.38 : x
  2. Step 2: Convert to fraction form
    3,133.26/4,323.92 = 1,807.38/x
  3. Step 3: Cross multiply
    3,133.26x = 4,323.92 × 1,807.38
  4. Step 4: Simplify right side
    3,133.26x = 7,814,957.49
  5. Step 5: Solve for x
    x = 7,814,957.49/3,133.26
  6. Step 6: Final answer
    x = 2,494.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.