Home / 2,010.61-2,774.77-1,126.55

Finding the Fourth Proportional to 2,010.61, 2,774.77 and 1,126.55

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Solution

The fourth proportional to 2,010.61, 2,774.77 and 1,126.55 is: 1,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.61 : 2,774.77 = 1,126.55 : x
  2. Step 2: Convert to fraction form
    2,010.61/2,774.77 = 1,126.55/x
  3. Step 3: Cross multiply
    2,010.61x = 2,774.77 × 1,126.55
  4. Step 4: Simplify right side
    2,010.61x = 3,125,917.14
  5. Step 5: Solve for x
    x = 3,125,917.14/2,010.61
  6. Step 6: Final answer
    x = 1,554.71

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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.