Home / 3,951.36-5,928-1,354.40

Finding the Fourth Proportional to 3,951.36, 5,928 and 1,354.40

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Solution

The fourth proportional to 3,951.36, 5,928 and 1,354.40 is: 2,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.36 : 5,928 = 1,354.40 : x
  2. Step 2: Convert to fraction form
    3,951.36/5,928 = 1,354.40/x
  3. Step 3: Cross multiply
    3,951.36x = 5,928 × 1,354.40
  4. Step 4: Simplify right side
    3,951.36x = 8,028,883.20
  5. Step 5: Solve for x
    x = 8,028,883.20/3,951.36
  6. Step 6: Final answer
    x = 2,031.93

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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.