Home / 3,338.38-5,006.81-1,258.45

Finding the Fourth Proportional to 3,338.38, 5,006.81 and 1,258.45

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Solution

The fourth proportional to 3,338.38, 5,006.81 and 1,258.45 is: 1,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.38 : 5,006.81 = 1,258.45 : x
  2. Step 2: Convert to fraction form
    3,338.38/5,006.81 = 1,258.45/x
  3. Step 3: Cross multiply
    3,338.38x = 5,006.81 × 1,258.45
  4. Step 4: Simplify right side
    3,338.38x = 6,300,838.84
  5. Step 5: Solve for x
    x = 6,300,838.84/3,338.38
  6. Step 6: Final answer
    x = 1,887.39

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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.