Home / 3,219.40-4,833.92-2,856.52

Finding the Fourth Proportional to 3,219.40, 4,833.92 and 2,856.52

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Solution

The fourth proportional to 3,219.40, 4,833.92 and 2,856.52 is: 4,289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.40 : 4,833.92 = 2,856.52 : x
  2. Step 2: Convert to fraction form
    3,219.40/4,833.92 = 2,856.52/x
  3. Step 3: Cross multiply
    3,219.40x = 4,833.92 × 2,856.52
  4. Step 4: Simplify right side
    3,219.40x = 13,808,189.16
  5. Step 5: Solve for x
    x = 13,808,189.16/3,219.40
  6. Step 6: Final answer
    x = 4,289.06

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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.