Home / 2,783.84-4,180.08-2,660.72

Finding the Fourth Proportional to 2,783.84, 4,180.08 and 2,660.72

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Solution

The fourth proportional to 2,783.84, 4,180.08 and 2,660.72 is: 3,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.84 : 4,180.08 = 2,660.72 : x
  2. Step 2: Convert to fraction form
    2,783.84/4,180.08 = 2,660.72/x
  3. Step 3: Cross multiply
    2,783.84x = 4,180.08 × 2,660.72
  4. Step 4: Simplify right side
    2,783.84x = 11,122,022.46
  5. Step 5: Solve for x
    x = 11,122,022.46/2,783.84
  6. Step 6: Final answer
    x = 3,995.21

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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.