Home / 3,160.91-4,741.38-1,427.51

Finding the Fourth Proportional to 3,160.91, 4,741.38 and 1,427.51

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Solution

The fourth proportional to 3,160.91, 4,741.38 and 1,427.51 is: 2,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.91 : 4,741.38 = 1,427.51 : x
  2. Step 2: Convert to fraction form
    3,160.91/4,741.38 = 1,427.51/x
  3. Step 3: Cross multiply
    3,160.91x = 4,741.38 × 1,427.51
  4. Step 4: Simplify right side
    3,160.91x = 6,768,367.36
  5. Step 5: Solve for x
    x = 6,768,367.36/3,160.91
  6. Step 6: Final answer
    x = 2,141.27

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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.