Home / 3,385.29-5,073.06-1,921.35

Finding the Fourth Proportional to 3,385.29, 5,073.06 and 1,921.35

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Solution

The fourth proportional to 3,385.29, 5,073.06 and 1,921.35 is: 2,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.29 : 5,073.06 = 1,921.35 : x
  2. Step 2: Convert to fraction form
    3,385.29/5,073.06 = 1,921.35/x
  3. Step 3: Cross multiply
    3,385.29x = 5,073.06 × 1,921.35
  4. Step 4: Simplify right side
    3,385.29x = 9,747,123.83
  5. Step 5: Solve for x
    x = 9,747,123.83/3,385.29
  6. Step 6: Final answer
    x = 2,879.26

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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.