Home / 2,783.03-4,175.75-1,139.94

Finding the Fourth Proportional to 2,783.03, 4,175.75 and 1,139.94

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Solution

The fourth proportional to 2,783.03, 4,175.75 and 1,139.94 is: 1,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.03 : 4,175.75 = 1,139.94 : x
  2. Step 2: Convert to fraction form
    2,783.03/4,175.75 = 1,139.94/x
  3. Step 3: Cross multiply
    2,783.03x = 4,175.75 × 1,139.94
  4. Step 4: Simplify right side
    2,783.03x = 4,760,107.30
  5. Step 5: Solve for x
    x = 4,760,107.30/2,783.03
  6. Step 6: Final answer
    x = 1,710.41

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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.