Home / 2,869.05-4,304.85-1,828.80

Finding the Fourth Proportional to 2,869.05, 4,304.85 and 1,828.80

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Solution

The fourth proportional to 2,869.05, 4,304.85 and 1,828.80 is: 2,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.05 : 4,304.85 = 1,828.80 : x
  2. Step 2: Convert to fraction form
    2,869.05/4,304.85 = 1,828.80/x
  3. Step 3: Cross multiply
    2,869.05x = 4,304.85 × 1,828.80
  4. Step 4: Simplify right side
    2,869.05x = 7,872,709.68
  5. Step 5: Solve for x
    x = 7,872,709.68/2,869.05
  6. Step 6: Final answer
    x = 2,744.01

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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.