Home / 3,340.28-5,009.79-1,696.34

Finding the Fourth Proportional to 3,340.28, 5,009.79 and 1,696.34

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Solution

The fourth proportional to 3,340.28, 5,009.79 and 1,696.34 is: 2,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.28 : 5,009.79 = 1,696.34 : x
  2. Step 2: Convert to fraction form
    3,340.28/5,009.79 = 1,696.34/x
  3. Step 3: Cross multiply
    3,340.28x = 5,009.79 × 1,696.34
  4. Step 4: Simplify right side
    3,340.28x = 8,498,307.17
  5. Step 5: Solve for x
    x = 8,498,307.17/3,340.28
  6. Step 6: Final answer
    x = 2,544.19

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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.