Home / 2,932.88-4,399.36-1,200.40

Finding the Fourth Proportional to 2,932.88, 4,399.36 and 1,200.40

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Solution

The fourth proportional to 2,932.88, 4,399.36 and 1,200.40 is: 1,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.88 : 4,399.36 = 1,200.40 : x
  2. Step 2: Convert to fraction form
    2,932.88/4,399.36 = 1,200.40/x
  3. Step 3: Cross multiply
    2,932.88x = 4,399.36 × 1,200.40
  4. Step 4: Simplify right side
    2,932.88x = 5,280,991.74
  5. Step 5: Solve for x
    x = 5,280,991.74/2,932.88
  6. Step 6: Final answer
    x = 1,800.62

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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.