Home / 2,010.40-2,774.20-1,126

Finding the Fourth Proportional to 2,010.40, 2,774.20 and 1,126

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Solution

The fourth proportional to 2,010.40, 2,774.20 and 1,126 is: 1,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.40 : 2,774.20 = 1,126 : x
  2. Step 2: Convert to fraction form
    2,010.40/2,774.20 = 1,126/x
  3. Step 3: Cross multiply
    2,010.40x = 2,774.20 × 1,126
  4. Step 4: Simplify right side
    2,010.40x = 3,123,749.20
  5. Step 5: Solve for x
    x = 3,123,749.20/2,010.40
  6. Step 6: Final answer
    x = 1,553.79

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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.