Home / 3,929.48-5,896.14-1,877

Finding the Fourth Proportional to 3,929.48, 5,896.14 and 1,877

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Solution

The fourth proportional to 3,929.48, 5,896.14 and 1,877 is: 2,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.48 : 5,896.14 = 1,877 : x
  2. Step 2: Convert to fraction form
    3,929.48/5,896.14 = 1,877/x
  3. Step 3: Cross multiply
    3,929.48x = 5,896.14 × 1,877
  4. Step 4: Simplify right side
    3,929.48x = 11,067,054.78
  5. Step 5: Solve for x
    x = 11,067,054.78/3,929.48
  6. Step 6: Final answer
    x = 2,816.42

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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.