Home / 3,338.42-5,008.32-1,258.40

Finding the Fourth Proportional to 3,338.42, 5,008.32 and 1,258.40

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Solution

The fourth proportional to 3,338.42, 5,008.32 and 1,258.40 is: 1,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.42 : 5,008.32 = 1,258.40 : x
  2. Step 2: Convert to fraction form
    3,338.42/5,008.32 = 1,258.40/x
  3. Step 3: Cross multiply
    3,338.42x = 5,008.32 × 1,258.40
  4. Step 4: Simplify right side
    3,338.42x = 6,302,469.89
  5. Step 5: Solve for x
    x = 6,302,469.89/3,338.42
  6. Step 6: Final answer
    x = 1,887.86

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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.