Home / 2,010.72-2,774.50-1,126.60

Finding the Fourth Proportional to 2,010.72, 2,774.50 and 1,126.60

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Solution

The fourth proportional to 2,010.72, 2,774.50 and 1,126.60 is: 1,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.72 : 2,774.50 = 1,126.60 : x
  2. Step 2: Convert to fraction form
    2,010.72/2,774.50 = 1,126.60/x
  3. Step 3: Cross multiply
    2,010.72x = 2,774.50 × 1,126.60
  4. Step 4: Simplify right side
    2,010.72x = 3,125,751.70
  5. Step 5: Solve for x
    x = 3,125,751.70/2,010.72
  6. Step 6: Final answer
    x = 1,554.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.