Home / 2,782.92-4,178.70-2,528.04

Finding the Fourth Proportional to 2,782.92, 4,178.70 and 2,528.04

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Solution

The fourth proportional to 2,782.92, 4,178.70 and 2,528.04 is: 3,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.92 : 4,178.70 = 2,528.04 : x
  2. Step 2: Convert to fraction form
    2,782.92/4,178.70 = 2,528.04/x
  3. Step 3: Cross multiply
    2,782.92x = 4,178.70 × 2,528.04
  4. Step 4: Simplify right side
    2,782.92x = 10,563,920.75
  5. Step 5: Solve for x
    x = 10,563,920.75/2,782.92
  6. Step 6: Final answer
    x = 3,795.98

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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.