Home / 3,572.24-4,929.80-2,000.40

Finding the Fourth Proportional to 3,572.24, 4,929.80 and 2,000.40

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Solution

The fourth proportional to 3,572.24, 4,929.80 and 2,000.40 is: 2,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.24 : 4,929.80 = 2,000.40 : x
  2. Step 2: Convert to fraction form
    3,572.24/4,929.80 = 2,000.40/x
  3. Step 3: Cross multiply
    3,572.24x = 4,929.80 × 2,000.40
  4. Step 4: Simplify right side
    3,572.24x = 9,861,571.92
  5. Step 5: Solve for x
    x = 9,861,571.92/3,572.24
  6. Step 6: Final answer
    x = 2,760.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.