Home / 2,010.56-2,774.79-1,126.31

Finding the Fourth Proportional to 2,010.56, 2,774.79 and 1,126.31

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Solution

The fourth proportional to 2,010.56, 2,774.79 and 1,126.31 is: 1,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.56 : 2,774.79 = 1,126.31 : x
  2. Step 2: Convert to fraction form
    2,010.56/2,774.79 = 1,126.31/x
  3. Step 3: Cross multiply
    2,010.56x = 2,774.79 × 1,126.31
  4. Step 4: Simplify right side
    2,010.56x = 3,125,259.85
  5. Step 5: Solve for x
    x = 3,125,259.85/2,010.56
  6. Step 6: Final answer
    x = 1,554.43

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1.5x scale

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.