Home / 3,403.45-4,696.16-1,911.43

Finding the Fourth Proportional to 3,403.45, 4,696.16 and 1,911.43

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Solution

The fourth proportional to 3,403.45, 4,696.16 and 1,911.43 is: 2,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.45 : 4,696.16 = 1,911.43 : x
  2. Step 2: Convert to fraction form
    3,403.45/4,696.16 = 1,911.43/x
  3. Step 3: Cross multiply
    3,403.45x = 4,696.16 × 1,911.43
  4. Step 4: Simplify right side
    3,403.45x = 8,976,357.63
  5. Step 5: Solve for x
    x = 8,976,357.63/3,403.45
  6. Step 6: Final answer
    x = 2,637.43

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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.