Home / 3,431.27-4,735.17-1,859.36

Finding the Fourth Proportional to 3,431.27, 4,735.17 and 1,859.36

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Solution

The fourth proportional to 3,431.27, 4,735.17 and 1,859.36 is: 2,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.27 : 4,735.17 = 1,859.36 : x
  2. Step 2: Convert to fraction form
    3,431.27/4,735.17 = 1,859.36/x
  3. Step 3: Cross multiply
    3,431.27x = 4,735.17 × 1,859.36
  4. Step 4: Simplify right side
    3,431.27x = 8,804,362.02
  5. Step 5: Solve for x
    x = 8,804,362.02/3,431.27
  6. Step 6: Final answer
    x = 2,565.92

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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.