Home / 3,868.31-5,801.38-1,235.81

Finding the Fourth Proportional to 3,868.31, 5,801.38 and 1,235.81

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Solution

The fourth proportional to 3,868.31, 5,801.38 and 1,235.81 is: 1,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.31 : 5,801.38 = 1,235.81 : x
  2. Step 2: Convert to fraction form
    3,868.31/5,801.38 = 1,235.81/x
  3. Step 3: Cross multiply
    3,868.31x = 5,801.38 × 1,235.81
  4. Step 4: Simplify right side
    3,868.31x = 7,169,371.32
  5. Step 5: Solve for x
    x = 7,169,371.32/3,868.31
  6. Step 6: Final answer
    x = 1,853.36

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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.