Home / 3,103.14-4,653.01-1,253.31

Finding the Fourth Proportional to 3,103.14, 4,653.01 and 1,253.31

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Solution

The fourth proportional to 3,103.14, 4,653.01 and 1,253.31 is: 1,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.14 : 4,653.01 = 1,253.31 : x
  2. Step 2: Convert to fraction form
    3,103.14/4,653.01 = 1,253.31/x
  3. Step 3: Cross multiply
    3,103.14x = 4,653.01 × 1,253.31
  4. Step 4: Simplify right side
    3,103.14x = 5,831,663.96
  5. Step 5: Solve for x
    x = 5,831,663.96/3,103.14
  6. Step 6: Final answer
    x = 1,879.28

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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.