Home / 3,488.90-4,813.32-1,976.11

Finding the Fourth Proportional to 3,488.90, 4,813.32 and 1,976.11

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Solution

The fourth proportional to 3,488.90, 4,813.32 and 1,976.11 is: 2,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.90 : 4,813.32 = 1,976.11 : x
  2. Step 2: Convert to fraction form
    3,488.90/4,813.32 = 1,976.11/x
  3. Step 3: Cross multiply
    3,488.90x = 4,813.32 × 1,976.11
  4. Step 4: Simplify right side
    3,488.90x = 9,511,637.75
  5. Step 5: Solve for x
    x = 9,511,637.75/3,488.90
  6. Step 6: Final answer
    x = 2,726.26

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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.