Home / 2,783.18-4,175.97-1,052.30

Finding the Fourth Proportional to 2,783.18, 4,175.97 and 1,052.30

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Solution

The fourth proportional to 2,783.18, 4,175.97 and 1,052.30 is: 1,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.18 : 4,175.97 = 1,052.30 : x
  2. Step 2: Convert to fraction form
    2,783.18/4,175.97 = 1,052.30/x
  3. Step 3: Cross multiply
    2,783.18x = 4,175.97 × 1,052.30
  4. Step 4: Simplify right side
    2,783.18x = 4,394,373.23
  5. Step 5: Solve for x
    x = 4,394,373.23/2,783.18
  6. Step 6: Final answer
    x = 1,578.90

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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.