Home / 3,904.92-5,856.75-1,307.25

Finding the Fourth Proportional to 3,904.92, 5,856.75 and 1,307.25

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Solution

The fourth proportional to 3,904.92, 5,856.75 and 1,307.25 is: 1,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.92 : 5,856.75 = 1,307.25 : x
  2. Step 2: Convert to fraction form
    3,904.92/5,856.75 = 1,307.25/x
  3. Step 3: Cross multiply
    3,904.92x = 5,856.75 × 1,307.25
  4. Step 4: Simplify right side
    3,904.92x = 7,656,236.44
  5. Step 5: Solve for x
    x = 7,656,236.44/3,904.92
  6. Step 6: Final answer
    x = 1,960.66

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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.