Home / 3,904.34-5,856.76-1,235.56

Finding the Fourth Proportional to 3,904.34, 5,856.76 and 1,235.56

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Solution

The fourth proportional to 3,904.34, 5,856.76 and 1,235.56 is: 1,853.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.34 : 5,856.76 = 1,235.56 : x
  2. Step 2: Convert to fraction form
    3,904.34/5,856.76 = 1,235.56/x
  3. Step 3: Cross multiply
    3,904.34x = 5,856.76 × 1,235.56
  4. Step 4: Simplify right side
    3,904.34x = 7,236,378.39
  5. Step 5: Solve for x
    x = 7,236,378.39/3,904.34
  6. Step 6: Final answer
    x = 1,853.42

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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.