Home / 3,340.72-5,006.64-1,258.28

Finding the Fourth Proportional to 3,340.72, 5,006.64 and 1,258.28

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Solution

The fourth proportional to 3,340.72, 5,006.64 and 1,258.28 is: 1,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.72 : 5,006.64 = 1,258.28 : x
  2. Step 2: Convert to fraction form
    3,340.72/5,006.64 = 1,258.28/x
  3. Step 3: Cross multiply
    3,340.72x = 5,006.64 × 1,258.28
  4. Step 4: Simplify right side
    3,340.72x = 6,299,770.99
  5. Step 5: Solve for x
    x = 6,299,770.99/3,340.72
  6. Step 6: Final answer
    x = 1,885.75

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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.