Home / 2,010.80-2,774.82-1,126.46

Finding the Fourth Proportional to 2,010.80, 2,774.82 and 1,126.46

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Solution

The fourth proportional to 2,010.80, 2,774.82 and 1,126.46 is: 1,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010.80 : 2,774.82 = 1,126.46 : x
  2. Step 2: Convert to fraction form
    2,010.80/2,774.82 = 1,126.46/x
  3. Step 3: Cross multiply
    2,010.80x = 2,774.82 × 1,126.46
  4. Step 4: Simplify right side
    2,010.80x = 3,125,723.74
  5. Step 5: Solve for x
    x = 3,125,723.74/2,010.80
  6. Step 6: Final answer
    x = 1,554.47

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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.